# Hydrogen chloride (anhydrous) [Hydrochloric acid] — OSHA PSM vs EPA RMP: chemical threshold quantities side by side For Hydrogen chloride (anhydrous) [Hydrochloric acid], cas no. is 7647-01-0; epa rmp tq (lbs) is 5,000; rmp category is toxic; rmp basis for listing is a, recorded from its source on 2026-08-15. - **Substance:** Hydrogen chloride (anhydrous) [Hydrochloric acid] _(verified: appears in the quote below)_ - **CAS No.:** 7647-01-0 _(verified: appears in the quote below)_ - **EPA RMP TQ (lbs):** 5,000 _(verified: appears in the quote below)_ - **RMP category:** toxic _(our reading, not quoted from the source)_ - **RMP basis for listing:** a _(verified: appears in the quote below)_ ## What the source says > Hydrogen chloride (anhydrous) [Hydrochloric acid] | 7647-01-0 | 5,000 | a ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-68/subpart-F/section-68.130 Last verified: 2026-08-15. Review by: 2027-08-15. Part of [OSHA PSM vs EPA RMP: chemical threshold quantities side by side](https://referencesource.org/psm-rmp-chemical-threshold-crossref/).