Is HHC (Hexahydrocannabinol) Legal in Iowa? (2026)

Capsule / tablet

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as capsule / tablet. HHC capsule -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC capsule -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
HHC capsule is a synthetic consumable hemp product (HHC named in 156.1); barred from commerce.

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Beverage

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as beverage. HHC drink -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC drink -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
HHC beverage is a synthetic consumable hemp product; barred from commerce.

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Edible / ingestible

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as edible / ingestible. HHC edible -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC edible -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
HHC is expressly listed as a synthetic consumable hemp product in 641 IAC 156.1; a compliant COA must attest the batch 'does not contain synthetic or semisynthetic cannabinoids' (156.3(1)(b)(5)). An HHC edible cannot obtain a conforming COA and is adulterated/misbranded and barred from commerce; manufacture/sale is a serious misdemeanor under 204.14A(3)-(4).

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Flower / raw plant

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as flower / raw plant. HHC flower -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC flower -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2020-06-17
Effectively prohibitive
Two bans: 204.14A(2) bars raw/dried flower for inhalation, and HHC-infused flower is a synthetic consumable hemp product barred by 204.14A(3)/156.3(1)(b)(5).

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. 2020 Iowa Acts, ch. 1065 (House File 2581), sec. 17 — 'NEW SECTION. 204.14A Criminal offense — inhalation.' (Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2020-06-17.

Other

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as other. HHC other -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC other -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
Any other HHC form is a synthetic consumable hemp product expressly barred (HHC named in 641 IAC 156.1); serious misdemeanor to manufacture/sell (204.14A(3)-(4)).

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Powder / bulk

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as powder / bulk. HHC powder -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC powder -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
HHC powder is a synthetic consumable hemp product; barred from commerce.

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Raw material / RUO

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as raw material / ruo. HHC raw material -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC raw material -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
HHC bulk material destined for consumable products is a synthetic/semisynthetic cannabinoid; a consumable hemp establishment 'shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product' (204.14A(3)). There is no lawful in-state channel to sell HHC raw material for consumer products.

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Tincture / sublingual

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as tincture / sublingual. HHC tincture -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC tincture -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
HHC tincture is a synthetic consumable hemp product; cannot pass the no-synthetic/semisynthetic COA requirement (156.3(1)(b)(5)); barred from commerce.

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Topical

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as topical. HHC topical -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC topical -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2024-07-17
Effectively prohibitive
Topicals are consumable hemp products in Iowa (Sec.204.2(2)(d)(1), 'absorbed through the skin'); an HHC topical is a synthetic consumable hemp product barred by 204.14A(3) and cannot obtain a conforming COA (156.3(1)(b)(5)).

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. ARC 8178C — Adopted and Filed Emergency After Notice, 641 IAC ch. 156 (Consumable Hemp Products) (Iowa Administrative Bulletin / Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2024-07-17.

Vape / inhalable

Illegal

As of October 22, 2026, HHC (Hexahydrocannabinol) is illegal to sell (federally scheduled; state law on file reads illegal) in Iowa as vape / inhalable. HHC vape -- federally Schedule I (DEA drug code 7220). Controlling source: 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement).

Verified October 22, 2026 (hash check) · confidence: confirmed
Federal
HHC vape -- federally Schedule I (DEA drug code 7220) (effective 2026-05-04). State-law reading underneath: Illegal.
Rule type
permanent
Tier
schedule i
Limit
(total ban)
Effective
2020-06-17
Effectively prohibitive
Doubly prohibited: Iowa Code 204.14A(1) bans introduction into the body by inhalation (serious misdemeanor), AND HHC is a 'synthetic consumable hemp product' whose manufacture/sale is barred by 204.14A(3) and 641 IAC 156.3(1)(b)(5)/156.6(5).

Controlling language, verbatim

Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). ... A person required to be registered ... shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product ... A person who violates this section is guilty of a serious misdemeanor.

Source of excerpt

Citations

  1. 641 Iowa Administrative Code Chapter 156 -- Consumable Hemp Products (156.1 definition of 'Synthetic consumable hemp products'; 156.3(1)(b)(5) no-synthetic COA requirement) (Iowa Department of Health and Human Services, 2026-07-19) PRIMARYOFFICIAL
  2. Iowa Code 204.14A -- Prohibited acts (inhalation ban; synthetic consumable hemp product ban; serious misdemeanor) (Iowa Legislature, 2026-07-19) PRIMARYOFFICIAL
  3. Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) PRIMARYOFFICIAL
  4. 2020 Iowa Acts, ch. 1065 (House File 2581), sec. 17 — 'NEW SECTION. 204.14A Criminal offense — inhalation.' (Iowa General Assembly) PRIMARYOFFICIAL
  5. Consumable Hemp: HF 2605 FAQ (Iowa HHS) (Iowa Department of Health and Human Services, 2026-07-19)OFFICIAL

Change history

  • Effective date changed from none to 2020-06-17.

Status by product form in Iowa

FormStatusHeadlineVerified
Capsule / tablet IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Beverage IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Edible / ingestible IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Flower / raw plant IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Other IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Powder / bulk IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Raw material / RUO IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Tincture / sublingual IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Topical IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22
Vape / inhalable IllegalFederally scheduled (schedule_i eff. 2026-05-04) · state law: illegal2026-10-22

Where HHC (Hexahydrocannabinol) stands across the country

LegalRestrictedGray areaIllegalNot yet verified

Among Iowa's 6 neighbors, Illinois, Minnesota, Missouri, Nebraska, South Dakota and Wisconsin are illegal, the same posture as Iowa.

Map and neighbor comparison show capsule / tablet. Open the interactive map · Every compound in Iowa

Federal posture

Federally scheduled or prohibited. HHC capsule -- federally Schedule I (DEA drug code 7220) Federal detail

Verbatim law on file for Iowa

5 instruments on file for this compound's framework in Iowa; 50 of 50 citations above are official sources. Each text carries its source and a fingerprint that changes when the law does.

Iowa Code 204.14A · Criminal offense - inhalationOFFICIAL
Instrument
Criminal offense - inhalation
Source
https://www.legis.iowa.gov/docs/code/204.14A.pdf
Retrieved
2026-10-07
Fingerprint
54fc52d187d0701d
204.14A Criminal offense — inhalation. 1. A person shall not possess, use, manufacture, market, transport, deliver, or distribute harvested hemp or a hemp product if the intended use of the harvested hemp or hemp product is introduction into the body of a human by any method of inhalation, including any of the following: a. Smoke produced from combustion. b. A type of article that uses a heating element, power source, electronic circuit, or other electronic, chemical, or mechanical process. c. A device, including but not limited to a cigarette, cigar, cigarillo, or pipe, regardless of whether such device produces smoke or vapor. 2. A person shall not use, market, or distribute a raw or dried flower form of hemp for the purposes of inhalation as described in subsection 1, paragraph “b” or “c”. Any raw or dried flower form of hemp marketed or distributed within this state shall contain the following notice on the raw or dried product container: This is a raw or dried agricultural commodity not suitable or intended for human consumption in conjunction with Iowa Code section 204.14A, subsection 1, paragraph “b” or “c”. 3. A person required to be registered to manufacture or sell a consumable hemp product under section 204.7 shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product, as defined by rules adopted by the department of health and human services. 4. A person who violates this section is guilty of a serious misdemeanor. 5. This section does not apply to the extent that federal law, including the Federal Food, Drug, and Cosmetic Act, authorizes as its intended use the introduction of harvested hemp or a hemp product into the body of a human by a method of inhalation. 2020 Acts, ch 1065, §17, 19; 2020 Acts, ch 1121, §107 – 109; 2024 Acts, ch 1154, §15; 2024 Acts, ch 1176, §8, 9; 2025 Acts, ch 30, §105 Referred to in §204.2 Code editor directive applied Thu Dec 11 18:54:49 2025 Iowa Code 2026, Section 204.14A (13, 2)
Iowa Code 204.14A (2026) · Iowa Code 204.14A (2026)OFFICIAL
Instrument
Iowa Code 204.14A (2026)
Source
https://www.legis.iowa.gov/docs/code/2026/204.14A.pdf
Retrieved
2026-10-07
Fingerprint
5d795c3d48ab68c4
204.14A Criminal offense: inhalation. 1. [A person shall not possess, use, manufacture, market, transport, deliver, or distribute harvested hemp or a hemp product if the intended use is inhalation, including] a. [smoke produced from combustion;] b. [an article using a heating element, power source, electronic circuit, or similar process;] c. [a device such as a cigarette, cigar, cigarillo, or pipe,] "regardless of whether such device produces smoke or vapor." 2. [Raw or dried flower hemp shall not be used, marketed or distributed for inhalation under paragraph b or c; such products sold in Iowa must carry a notice that the product is a raw or dried agricultural commodity] "not suitable or intended for human consumption." 3. [Registered consumable hemp manufacturers and sellers may not handle synthetic consumable hemp products.] 4. [A violation is a serious misdemeanor.] 5. [Exception where federal law, including the FD&C Act, authorizes inhalation.] [Bracketed spans summarized from the official PDF; the fetch tool limits verbatim quotes.]
Iowa Code 204.14A(3)-(4); 641 IAC 156.1 (def. 'Synthetic consumable hemp products'); 641 IAC 156.3(1)(b)(5) · Prohibition on synthetic consumable hemp products (HHC named)OFFICIAL
Instrument
Prohibition on synthetic consumable hemp products (HHC named)
Source
https://www.legis.iowa.gov/docs/aco/chapter/641.156.pdf
Retrieved
2026-07-19
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Iowa Code 204.14A(3): A person required to be registered to manufacture or sell a consumable hemp product under section 204.7 shall not manufacture, produce, distribute, market, or sell a synthetic consumable hemp product, as defined by rules adopted by the department of health and human services. 204.14A(4): A person who violates this section is guilty of a serious misdemeanor. 641 IAC 156.1(204), Definitions: 'Synthetic consumable hemp products' means products containing synthetic or semisynthetic cannabinoids. Synthetic and semisynthetic cannabinoids refer to a class of cannabinoids that are created through a chemical process and are structurally similar to naturally occurring cannabinoids or cannabinoids that may occur in very small amounts naturally. Examples of synthetic consumable hemp products include but may not be limited to delta-8 tetrahydrocannabinol, delta-10 tetrahydrocannabinol, hexahydrocannabinol (HHC), tetrahydrocannabiphorol (THC-P), and tetrahydrocannabinol-O-acetate (THC-O). 641 IAC 156.3(1)(b): The consumable hemp product has a certificate of analysis issued within the last year by an independent accredited laboratory that verifies and states: (1) The consumable hemp product is from a batch that has been tested by the independent accredited laboratory consistent with generally accepted industry standards for herbal and botanical substances; (2) The presence and concentration of cannabinoids, including delta-9 tetrahydrocannabinol, tetrahydrocannabinolic acid, cannabidiol, and any other cannabinoids for which the product is being marketed; (3) The consumable hemp product is from a batch that contained a total delta-9 tetrahydrocannabinol concentration that did not exceed 0.3 percent on a dry weight basis as calculated pursuant to an official postdecarboxylation analysis, as provided in Iowa Code section 204.8; (4) The consumable hemp product is from a batch that has been tested for, and does not contain more than trace amounts of, pesticides, residual solvents, metals, harmful pathogens, and toxicants; and (5) The batch does not contain synthetic or semisynthetic cannabinoids as described in these rules. 641 IAC 156.6(5): A consumable hemp product that does not conform to this chapter is considered adulterated or misbranded and cannot enter commerce.
Iowa Code 204.2 · Definitions (Hemp and Hemp Products) -- consumable hemp product, hemp product, inhalation exclusionOFFICIAL
Instrument
Definitions (Hemp and Hemp Products) -- consumable hemp product, hemp product, inhalation exclusion
Source
https://www.legis.iowa.gov/docs/code/204.2.pdf
Retrieved
2026-07-02
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204.2 Definitions.
As used in this chapter, unless the context otherwise requires:

2. "Consumable hemp product" means a hemp product that includes a substance that is metabolized or is otherwise subject to a biotransformative process when introduced into the human body.
a. A consumable hemp product may be introduced into the human body by ingestion or absorption by any device including but not limited to an electronic device.
b. A consumable hemp product may exist in a solid or liquid state.
c. A hemp product is deemed to be a consumable hemp product if all of the following apply:
(1) It is any of the following:
(a) Designed by the processor, including the manufacturer, to be introduced into the human body.
(b) Advertised as an item to be introduced into the human body.
(c) Distributed, exported, imported, offered for sale, or sold to be introduced into the human body.
(2) Its maximum total tetrahydrocannabinol concentration is less than or equal to the lesser of the following:
(a) Three-tenths of one percent on a dry weight basis.
(b) Four milligrams per serving and ten milligrams per container on a dry weight basis.
d. "Consumable hemp product" includes but is not limited to any of the following:
(1) A noncombustible form of hemp that may be digested, such as food; internally absorbed, such as chew or snuff; or absorbed through the skin, such as a topical application.
(2) Hemp processed or otherwise manufactured, marketed, sold, or distributed as food, a food additive, a dietary supplement, or a drug.
e. "Consumable hemp product" does not include a hemp product if the intended use of the hemp product is introduction into the human body by any method of inhalation, as prohibited under section 204.14A.

8. "Hemp" means the same as defined in section 204A.2.

9. a. "Hemp product" means an item derived from or made by processing hemp or parts of hemp, including but not limited to any item manufactured from hemp, including but not limited to cloth, cordage, fiber, food, fuel, paint, paper, particle board, plastic, hemp seed, seed meal, or seed oil.
b. "Hemp product" does not include any of the following:
(1) (a) An item or part of an item that exceeds the maximum total tetrahydrocannabinol concentration allowed for a hemp product under section 124.204, subsection 7.
(b) An item or part of an item that is metabolized or is otherwise subject to a biotransformative process when introduced into the human body and that exceeds the maximum total tetrahydrocannabinol concentration allowed for a consumable hemp product.
(2) Hemp seed that is capable of germination.

2019 Acts, ch 130, section 2, 18, 19; 2020 Acts, ch 1065, section 2, 3, 19; 2020 Acts, ch 1121, section 107 - 109; 2021 Acts, ch 93, section 37, 38; 2022 Acts, ch 1030, section 1, 3; 2024 Acts, ch 1176, section 1 - 3; 2024 Acts, ch 1177, section 28 - 30, 55
Iowa Code 204A.2 · Definitions (Iowa Hemp Act) -- Hemp, Delta-9 THC, Total THCOFFICIAL
Instrument
Definitions (Iowa Hemp Act) -- Hemp, Delta-9 THC, Total THC
Source
https://www.legis.iowa.gov/docs/code/204A.2.pdf
Retrieved
2026-07-02
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204A.2 Definitions.
As used in this chapter, unless the context otherwise requires:
1. "Acceptable hemp THC level" means the same as defined in 7 C.F.R. section 990.1.
2. "Cannabis" means the same as defined in 7 C.F.R. section 990.1.
3. "Controlled substance" means the same as defined in section 124.101.
4. "Delta-9 tetrahydrocannabinol" or "THC" means the same as defined in 7 C.F.R. section 990.1.
5. "Department" means the department of agriculture and land stewardship.
6. "Federal hemp law" means 7 U.S.C. section 1639o, 1639q, and 1639r, together with the domestic hemp production program as provided in 7 C.F.R. pt. 990.
7. "Hemp" means the same as defined in 7 C.F.R. section 990.1.
8. "Local law enforcement agency" means an office of county sheriff or a municipal police department.
9. "Lot" means the same as defined in 7 C.F.R. section 990.1.
10. "Total THC" means the same as defined in 7 C.F.R. section 990.1.
11. "USDA licensee" means the same as defined in 7 C.F.R. section 990.1.

2024 Acts, ch 1177, section 38, 55
Referred to in section 124.201A, 124.204, 204.2, 453B.17, 716.14

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Same framework in Iowa

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Cite this page

Compound Analytics. "Is HHC (Hexahydrocannabinol) Legal in Iowa? (2026)." Compound Laws, https://compoundlaws.com/compounds/hhc/iowa/. Accessed October 25, 2026.

Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.

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