2-Butanone

For 2-Butanone, cas no. is 78-93-3; cercla rq (lbs) is 5000; rcra waste number is U159; regulatory categories is 4, verified against its source on 2026-09-16.

Substance: 2-Butanone verified
CAS No.: 78-93-3 verified
CERCLA RQ (lbs): 5000 verified
RCRA waste number: U159 verified
Regulatory categories: 4 verified

Verified2026-09-16

Review by2027-08-05

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

What the source says

2-Butanone | 78-93-3 | 4 | U159 | 5000 (2270)

— 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: 2026-09-16. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.