# 2-Propenoic acid, 2-methyl-, methyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For 2-Propenoic acid, 2-methyl-, methyl ester, cas no. is 80-62-6; cercla rq (lbs) is 1000; rcra waste number is U162; regulatory categories is 1,3,4, verified against its source on 2026-08-05. - **Substance:** 2-Propenoic acid, 2-methyl-, methyl ester _(verified: appears in the quote below)_ - **CAS No.:** 80-62-6 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 1000 _(verified: appears in the quote below)_ - **RCRA waste number:** U162 _(verified: appears in the quote below)_ - **Regulatory categories:** 1,3,4 _(verified: appears in the quote below)_ ## What the source says > 2-Propenoic acid, 2-methyl-, methyl ester | 80-62-6 | 1,3,4 | U162 | 1000 (454) ## 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/).