3,3′-Dimethoxybenzidine

For 3,3′-Dimethoxybenzidine, cas no. is 119-90-4; cercla rq (lbs) is 100; rcra waste number is U091; regulatory categories is 3,4, verified against its source on 2026-08-05.

Substance: 3,3′-Dimethoxybenzidine verified
CAS No.: 119-90-4 verified
CERCLA RQ (lbs): 100 verified
RCRA waste number: U091 verified
Regulatory categories: 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

3,3′-Dimethoxybenzidine | 119-90-4 | 3,4 | U091 | 100 (45.4)

— 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.