Reference Source

(d) Isobutanol

For (d) Isobutanol, cas no. is 78-83-1; cercla rq (lbs) is 5000; rcra waste number is U140; regulatory categories is 4, verified against its source on 2026-09-16.

Substance
(d) Isobutanol verified
CAS No.
78-83-1 verified
CERCLA RQ (lbs)
5000 verified
RCRA waste number
U140 verified
Regulatory categories
4 verified
Sourceecfr.gov
Verified
Review by
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA and EPCRA)

What the source says

(d) Isobutanol | 78-83-1 | 4 | U140 | 5000 (2270)

ecfr.gov, retrieved 2026-08-05

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.