2-Butanone peroxide

For 2-Butanone peroxide, cas no. is 1338-23-4; cercla rq (lbs) is 10; rcra waste number is U160; regulatory categories is 4, verified against its source on 2026-08-05.

Substance: 2-Butanone peroxide
CAS No.: 1338-23-4
CERCLA RQ (lbs): 10
RCRA waste number: U160
Regulatory categories: 4

Sourceecfr.gov

Verified2026-08-05

Review by2027-08-05

DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

2-Butanone peroxide | 1338-23-4 | 4 | U160 | 10 (4.54)

— 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. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.