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 2026-08-05.

Substance
Isophorone
CAS No.
78-59-1
CERCLA RQ (lbs)
5000
Regulatory categories
2,3
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

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

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.