Hydrocyanic acid

For Hydrocyanic acid, cas no. is 74-90-8; cercla rq (lbs) is 10; rcra waste number is P063; regulatory categories is 1,4, verified against its source on 2026-09-16.

What the source says

Hydrocyanic acid | 74-90-8 | 1,4 | P063 | 10 (4.54)

— ecfr.gov, retrieved 2026-08-05

What ecfr.gov says

74-90-8 | Hydrocyanic Acid | | 10 | 100 |

— ecfr.gov, retrieved 2026-08-05

Sources

• ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4
• ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355

Last verified against source: 2026-09-16. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.