As of November 12, 2026, Washington bans every tracked inhalant compound at retail. Banned: Poppers and Nitrous Oxide.
Each row below links to the determination with the controlling law verbatim.No inhalant ban effective date is pending in Washington as of November 13, 2026.
| Compound | Status | Headline | Effective |
|---|---|---|---|
| Poppers | Illegal | Federally scheduled (state_named_ban eff. 1989-02-16) · state law: gray | |
| Nitrous Oxide | Illegal | RCW 69.58.100 (eff. 2026-06-11): selling nitrous canisters or tanks is a crime | 2026-06-11 |
Inhalant ban in every state · All compounds in Washington
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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