Osmium tetroxide

For Osmium tetroxide, cas no. is 20816-12-0; cercla rq (lbs) is 1000; rcra waste number is P087; regulatory categories is 4, verified against its source on 2026-08-05.

Substance: Osmium tetroxide
CAS No.: 20816-12-0
CERCLA RQ (lbs): 1000
RCRA waste number: P087
Regulatory categories: 4

Sourceecfr.gov

Verified2026-08-05

Review by2027-08-05

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

What the source says

Osmium tetroxide | 20816-12-0 | 4 | P087 | 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: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.