Reference Source

Mercuric Oxide

For Mercuric Oxide, cas no. is 21908-53-2; epcra tpq (lbs) is 500/10,000; epcra rq (lbs) is 500, verified against its source on 2026-08-05.

Substance
Mercuric Oxide
CAS No.
21908-53-2
EPCRA TPQ (lbs)
500/10,000
EPCRA RQ (lbs)
500
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

21908-53-2 | Mercuric Oxide | | 500 | 500/10,000 |

— 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.