Reference Source

Oxirane

For Oxirane, cas no. is 75-21-8; cercla rq (lbs) is 10; rcra waste number is U115; regulatory categories is 3,4, verified against its source on 2026-08-05.

Substance
Oxirane
CAS No.
75-21-8
CERCLA RQ (lbs)
10
RCRA waste number
U115
Regulatory categories
3,4
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

Oxirane | 75-21-8 | 3,4 | U115 | 10 (4.54)

ecfr.gov, retrieved 2026-08-05

Source

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.