[1,1′-Biphenyl]-4,4′-diamine

For [1,1′-Biphenyl]-4,4′-diamine, cas no. is 92-87-5; cercla rq (lbs) is 1; rcra waste number is U021; regulatory categories is 2,3,4, verified against its source on 2026-08-05.

Substance: [1,1′-Biphenyl]-4,4′-diamine verified
CAS No.: 92-87-5 verified
CERCLA RQ (lbs): 1 verified
RCRA waste number: U021 verified
Regulatory categories: 2,3,4 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

[1,1′-Biphenyl]-4,4′-diamine | 92-87-5 | 2,3,4 | U021 | 1 (0.454)

— ecfr.gov, retrieved 2026-08-05

Source

ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4

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.