Methanethiol

For Methanethiol, cas no. is 74-93-1; cercla rq (lbs) is 100; rcra waste number is U153; regulatory categories is 1,4, verified against its source on 2026-11-02.

Substance: Methanethiol verified
CAS No.: 74-93-1 verified
CERCLA RQ (lbs): 100 verified
RCRA waste number: U153 verified
Regulatory categories: 1,4 verified

Verified2026-11-02

Review by2027-08-05

DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA and EPCRA)

What the source says

Methanethiol | 74-93-1 | 1,4 | U153 | 100 (45.4)

— ecfr.gov, retrieved 2026-08-05

Source

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

Last verified against source: 2026-11-02. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.