# Ethanol, 2,2′-(nitrosoimino)bis- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA) For Ethanol, 2,2′-(nitrosoimino)bis-, cas no. is 1116-54-7; cercla rq (lbs) is 1; rcra waste number is U173; regulatory categories is 4, verified against its source on 2026-08-05. - **Substance:** Ethanol, 2,2′-(nitrosoimino)bis- _(verified: appears in the quote below)_ - **CAS No.:** 1116-54-7 _(verified: appears in the quote below)_ - **CERCLA RQ (lbs):** 1 _(verified: appears in the quote below)_ - **RCRA waste number:** U173 _(verified: appears in the quote below)_ - **Regulatory categories:** 4 _(verified: appears in the quote below)_ ## What the source says > Ethanol, 2,2′-(nitrosoimino)bis- | 1116-54-7 | 4 | U173 | 1 (0.454) ## 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/).