# Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)-, cas no. is 23950-58-5; cercla rq (lbs) is 5000; rcra waste number is U192; regulatory categories is 4, verified against its source on 2026-08-05. - **Substance:** Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)- _(verified: appears in the quote below)_ - **CAS No.:** 23950-58-5 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 5000 _(verified: appears in the quote below)_ - **RCRA waste number:** U192 _(verified: appears in the quote below)_ - **Regulatory categories:** 4 _(verified: appears in the quote below)_ ## What the source says > Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2propynyl)- | 23950-58-5 | 4 | U192 | 5000 (2270) ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4 Last verified: 2026-08-05. Review by: 2027-08-05. Part of [US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)](https://referencesource.org/chemical-regulatory-reporting-thresholds/).