Reference Source

p-Phenylenediamine

For p-Phenylenediamine, cas no. is 106-50-3; cercla rq (lbs) is 5000; regulatory categories is 3, verified against its source on 2026-08-05.

Substance
p-Phenylenediamine verified
CAS No.
106-50-3 verified
CERCLA RQ (lbs)
5000 verified
Regulatory categories
3 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

p-Phenylenediamine | 106-50-3 | 3 | | 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.