Reference Source

Isophorone

For Isophorone, cas no. is 78-59-1; cercla rq (lbs) is 5000; regulatory categories is 2,3, verified against its source on 2026-09-16.

Substance
Isophorone verified
CAS No.
78-59-1 verified
CERCLA RQ (lbs)
5000 verified
Regulatory categories
2,3 verified
Sourceecfr.gov
Verified
Review by
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA and EPCRA)

What the source says

Isophorone | 78-59-1 | 2,3 | | 5000 (2270)

ecfr.gov, retrieved 2026-08-05

Source

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