Reference Source

o-Nitrophenol

For o-Nitrophenol, cas no. is 88-75-5; cercla rq (lbs) is 100; regulatory categories is 1,2, verified against its source on 2026-08-05.

Substance
o-Nitrophenol
CAS No.
88-75-5
CERCLA RQ (lbs)
100
Regulatory categories
1,2
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

o-Nitrophenol | 88-75-5 | 1,2 | | 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.