Is Nitrous Oxide (Whippits) Legal in Montana After the 2026 Regulatory Updates?

No, Montana classifies nitrous oxide (whippits) as a Schedule IV controlled substance under the Montana Controlled Substances Act, aligning with federal DEA scheduling. Possession for recreational use is prohibited, with penalties escalating for distribution or intent to abuse. Local health departments, including the Missoula City-County Health Department, enforce compliance under 2023 amendments targeting inhalant abuse.

Key Regulations for Nitrous Oxide (Whippits) in Montana

  • Schedule IV Classification: Nitrous oxide is listed under MCA § 50-32-221, requiring prescriptions for legitimate medical use. Unauthorized possession carries misdemeanor charges, punishable by up to 6 months imprisonment and $1,000 fines.
  • Retail Restrictions: Businesses selling nitrous oxide must verify purchaser age (21+) and maintain sales records for 3 years, per MCA § 50-32-234. Violations trigger inspections by the Montana Department of Public Health & Human Services (DPHHS).
  • 2026 Compliance Shifts: DPHHS draft rules (effective 2026) mandate tamper-evident packaging for retail cylinders and ban bulk sales to unlicensed entities, aligning with CDC inhalant abuse prevention guidelines.