STATE BILLS COMPARED

Side-by-side comparison of state nitrous oxide regulation across the United States. Distinguishes states with N₂O-specific recent legislation (2024-2026) from those whose existing inhalant or controlled-substance statutes incidentally cover nitrous oxide. Last update: 2026-05-10.
Important distinction. A state listed as “SIGNED” under an existing general inhalant or controlled-substance statute is not regulatorily equivalent to a state that has enacted recent N₂O-specific legislation. The Bill Type column captures this distinction; readers comparing state frameworks should reference it alongside the Status column.
5
N₂O-SPECIFIC SIGNED 2024-2026
2
PASSED BOTH, AWAITING GOV
5
ACTIVELY PENDING
~14
EXISTING STATUTE ONLY
Green tier — comprehensive regulation Orange tier — partial / weak Yellow tier — pending Red tier — no specific regulation

COMPARISON TABLE

State Bill / Citation Status Bill Type Reg. Agency Enforce. Agency Age Penalty (1st offense) Online Coverage Tier Verified
N₂O-Specific Recent Legislation (2024-2026)
SC S.751 (companion H.5202) Passed Senate; House Judiciary favorable 5/6/26 N₂O-specific 2026 DPH SLED 18 $1,000 / 6 mo (misdemeanor) Yes (3rd-party verification + signature) 2026-05-10
VA HB 648 (Chapter 191, 2026) Signed 4/6/26 N₂O-specific 2026 VA Code § 18.2-264 Local LE 18 (distribution to under-18 prohibited) Strict-liability retail (3 prongs) unverified 2026-05-10
WA ESHB 2532 (Chapter 188, 2026) Signed 3/24/26 · eff. 6/11/26 N₂O-specific 2026 RCW Title 69 (new ch.) State LE N/A (retail) Gross misdemeanor (max 364 days / $5,000 per RCW 9A.20.021(2)) Yes (blanket retail ban) 2026-05-10
TN HB 1644 / SB 1843 (Public Chapter 702) Signed 4/14/26 · eff. 7/1/26 N₂O-specific 2026 (vape-shop focused) T.C.A. 39-17-20 (new part) State LE N/A (vape-shop retail prohibition) $2,500 + seizure (retail civil); Class E felony for sale-with-intent No (vape-shop retail focus) 2026-05-10
LA RS 40:989 (butyl nitrite + N₂O + amyl nitrite) Signed (older multi-substance) N₂O-specific older LA Health (existing) State LE unverified "Use and transference" penalties (RS 40:989) unverified 2026-05-10
MI MCL 752.272a (Bellino, 2024) Signed 2024 N₂O-related 2024 MCL 333.7453/7455 State LE 18 Civil fine up to $500; bans devices for recreational inhalation unverified 2026-05-10
Passed Both Chambers — Awaiting Governor
OK HB 1933 (“Maddix Bias Act”; OK Stat. Title 63 § 465.22) Enrolled 5/4/26 N₂O-specific 2026 unverified State LE 21 Misdemeanor (sale to under 21) unverified 2026-05-10
FL SB 432 (“Meg’s Law”) Ordered enrolled 3/17/26 N₂O-specific 2026 Tobacco/nicotine dealer rules (new) State LE unverified Felony-level penalties up to $50K-$100K; eff. 10/1/26 if signed unverified 2026-05-10
Active in Legislature
MA H.5273 (was H.4907 in 193rd) Referred to House Ways & Means (3/25/26) N₂O-specific 2026 Joint Cmte on Consumer Protection & Professional Licensure unverified unverified unverified unverified 2026-05-10
CA SB 758 + SB 936 (Penal Code 381b-381e existing) SB 758 amended 1/22/26; SB 936 hearing 5/14/26 N₂O-specific 2026 + existing Penal Code (existing) State LE unverified SB 758: retail ban with grocery carve-out unverified 2026-05-10
NY A9287 (Brown; PHL 3380 + GBS 399-HH existing) In legislature; current action pending verification N₂O-specific 2025 + existing PHL/GBS (existing) State LE unverified 3-part bill: criminalize + sales reg + education program; new DWI-impaired-by-N₂O charge Sales regulation in Part B (per bill scope) 2026-05-10
NH HB 1630 (RSA 644:5-a existing) Engrossed 3/17/26 · Senate Commerce hearing 4/7/26 N₂O-specific 2026 + existing unverified unverified unverified unverified unverified 2026-05-10
Stalled / Failed (2026)
MN HF 325 / SF 1215 Stuck since 3/6/2025 N₂O-specific stalled No advancement 2026-05-10
ME LD 1200 Failed in committee N₂O-specific failed Did not pass 2026-05-10
Existing Inhalant / Controlled-Substance Statutes Only
OR ORS 475.390 (HB 3447, older) Signed (older) N₂O-specific older (retail-to-minors) OR Health State LE 18 Class A violation ($2,000) No 2026-05-10
NJ N.J.S.A. 24:6G-1 (L.1982, c.127) + 2C:35-10.4 Signed 1982 N₂O-specific older (permit framework) NJ Department of Health State LE 19 DOH written permit required for control or possession No 2026-05-10
TX H&S Code Sec. 485.031 + SB 666 (2025) Signed; SB 666 amendment eff. 9/1/2025 Inhalant + N₂O-specific 2025 amendment unverified State LE 21 (raised from 18, eff. 9/1/2025) State jail felony (sale to under 21) unverified 2026-05-10
CT CGS 53-345a (Title 53, Ch. 946) + 21a-255 Signed (older) Inhalant general (N₂O-specific minor sale) unverified State LE 18 $200 (1st) / $350 (2nd) / $500 (3rd+, within 18 mo) No 2026-05-10
GA O.C.G.A. 16-13-79 (Title 16, Ch. 13, Art. 3) Signed (older) Controlled substance (food/service exempt) unverified State LE (zero documented enforcement) unverified unverified No 2026-05-10
IA Iowa Code 126.22 Signed (older) Inhalant general unverified unverified unverified unverified No 2026-04-15
KY KRS 438.343 (SB 100, 2025) Signed 2025 Inhalant 2025 unverified unverified unverified unverified No 2026-03-08
UT Utah Code 76-9-1111 Signed (older) Inhalant general unverified unverified unverified unverified No 2026-03-08
FOR THE FULL 50-STATE STATUS MAP — including the 25+ jurisdictions not detailed in this comparison — see THE MAP. The map shows tier classification, CDC death counts, and college-campus exposure data for every US state and DC. This page is the structural-comparison view; the map is the geographic-status view.

WHAT MAKES S.751 DISTINCTIVE

Five structural choices set S.751 apart from comparable 2024-2026 legislation

This comparison is structural, not promotional. The data above shows what S.751 does that other bills do not, with full acknowledgment that other states’ legislation has its own merits. The argument is structural rigor, not superlatives.

1. Dual-agency separation (DPH + SLED)

S.751 explicitly separates regulatory rule-making from enforcement. The Department of Public Health (DPH) promulgates regulations in consultation with the State Law Enforcement Division (SLED); SLED inspects premises and refers violations. The May 6, 2026 House Judiciary amendment added explicit language: “Nothing in this article confers enforcement authority upon the department.” This separation prevents the regulatory agency from acting as a de facto police force. Most state bills assign both functions to a single agency or leave enforcement undefined.

2. Documentation-based exemptions

S.751’s exempt-entity definitions require specific commercial licenses (food permit, automotive dealer agreement, industrial business license, research facility status) rather than categorical self-certification. WA’s ESHB 2532 uses categorical exemptions; TN’s Public Chapter 702 uses intent-based standards. S.751’s documentation rigor is harder to evade and harder to challenge constitutionally.

3. Escalating penalty tiers ($1K/6mo → $5K/1yr → $10K/3yr)

S.751’s tier escalates by repeat-offense count. TN takes a different approach (Class E felony for sale-with-intent + civil escalation). VA uses strict-liability retail prongs. CT (existing) caps at $500. Penalty proportionality varies dramatically across states; S.751’s tier structure aligns with most states’ existing alcohol/tobacco sale-to-minor schedules.

4. Online sales coverage with three-pronged age verification

S.751 explicitly addresses internet and remote sales, requiring third-party age verification, signature delivery, OR (alternatively) a documented online profile + government-ID upload. Most older state inhalant statutes are silent on online sales; WA’s 2026 bill takes a blanket-ban approach instead of regulated-channel. S.751 preserves legitimate online commerce within a verification framework.

5. Flavored-product specific ban + tobacco-retail prohibition

S.751 separately prohibits flavored nitrous oxide products (cataloging marketing-to-youth indicators) and bars tobacco-retail establishments from selling N₂O. These are surgical exclusions targeting the actual harm vectors documented in NLM research (Galaxy Gas, smoke-shop distribution). Most other 2024-2026 bills don’t isolate flavored products or tobacco-retail channels.

The composite argument

Each structural choice on its own appears in some other state’s legislation. The combination — dual-agency, documentation-based exemptions, escalating penalty tiers, online coverage, flavored-product specificity — appears together in S.751. That composite is what is being claimed as distinctive. The data above is the source for that claim; this page is the place where the claim can be checked.

What this comparison does not claim

“Most structurally rigorous” is not the same as “most punitive.” Some other state bills carry stronger first-offense criminal penalties than S.751 — Tennessee’s Public Chapter 702 imposes a Class E felony (1 yr minimum) for sale-with-intent-to-cause-intoxication, where S.751 first-offense is misdemeanor. Other bills cover broader retail prohibitions with fewer carve-outs — Washington’s ESHB 2532 is a blanket retail ban without S.751’s documentation-based exemption framework. The argument here is structural: S.751 is the only bill combining the six structural elements above into a single framework. Readers comparing on a single dimension (first-offense penalty severity, retail-channel breadth, age threshold) should reference the table directly.

TIER DEFINITIONS

Federal context

H.R. 7945 (Nitrous Oxide Safety Act of 2026) is in the 119th Congress. Federal action would create a baseline below which state legislation cannot fall. State bills above remain the primary regulatory instruments.

Last update: 2026-05-10. For the geographic 50-state status map, see THE MAP. For the model legislation template, see THE LEGISLATION.