Chloroprene

For Chloroprene, cas no. is 126-99-8; cercla rq (lbs) is 100; regulatory categories is 3, verified against its source on 2026-08-05.

What the source says

Chloroprene | 126-99-8 | 3 | | 100 (45.4)

— 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.