Reference Source

Sodium hydrosulfide

For Sodium hydrosulfide, cas no. is 16721-80-5; cercla rq (lbs) is 5000; regulatory categories is 1, verified against its source on 2026-08-05.

Substance
Sodium hydrosulfide
CAS No.
16721-80-5
CERCLA RQ (lbs)
5000
Regulatory categories
1
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

Sodium hydrosulfide | 16721-80-5 | 1 | | 5000 (2270)

— ecfr.gov, retrieved 2026-08-05

Source

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