Reference Source

Propionic anhydride

For Propionic anhydride, cas no. is 123-62-6; cercla rq (lbs) is 5000; regulatory categories is 1, verified against its source on 2026-08-05.

Substance
Propionic anhydride verified
CAS No.
123-62-6 verified
CERCLA RQ (lbs)
5000 verified
Regulatory categories
1 verified
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

Propionic anhydride | 123-62-6 | 1 | | 5000 (2270)

— ecfr.gov, retrieved 2026-08-05

Source

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