Antimony trioxide

For Antimony trioxide, cas no. is 1309-64-4; cercla rq (lbs) is 1000; regulatory categories is 1, verified against its source on 2026-09-16.

Substance: Antimony trioxide verified
CAS No.: 1309-64-4 verified
CERCLA RQ (lbs): 1000 verified
Regulatory categories: 1 verified

Verified2026-09-16

Review by2027-08-05

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

What the source says

Antimony trioxide | 1309-64-4 | 1 | | 1000 (454)

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