Reference Source

Isosafrole

For Isosafrole, cas no. is 120-58-1; cercla rq (lbs) is 100; rcra waste number is U141; regulatory categories is 4, verified against its source on 2026-08-05.

Substance
Isosafrole
CAS No.
120-58-1
CERCLA RQ (lbs)
100
RCRA waste number
U141
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

Isosafrole | 120-58-1 | 4 | U141 | 100 (45.4)

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.