# 1-Propanamine, N-nitroso-N-propyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For 1-Propanamine, N-nitroso-N-propyl-, cas no. is 621-64-7; cercla rq (lbs) is 10; rcra waste number is U111; regulatory categories is 2,4, verified against its source on 2026-08-05. - **Substance:** 1-Propanamine, N-nitroso-N-propyl- _(verified: appears in the quote below)_ - **CAS No.:** 621-64-7 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 10 _(verified: appears in the quote below)_ - **RCRA waste number:** U111 _(verified: appears in the quote below)_ - **Regulatory categories:** 2,4 _(verified: appears in the quote below)_ ## What the source says > 1-Propanamine, N-nitroso-N-propyl- | 621-64-7 | 2,4 | U111 | 10 (4.54) ## 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/).