Hexachlorocyclopentadiene

For Hexachlorocyclopentadiene, cas no. is 77-47-4; cercla rq (lbs) is 10; rcra waste number is U130; regulatory categories is 1,2,3,4, verified against its source on 2026-09-16.

What the source says

Hexachlorocyclopentadiene | 77-47-4 | 1,2,3,4 | U130 | 10 (4.54)

— ecfr.gov, retrieved 2026-08-05

What ecfr.gov says

77-47-4 | Hexachlorocyclopentadiene | d | 10 | 100 |

— ecfr.gov, retrieved 2026-08-05

Sources

• ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4
• ecfr.govhttps://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355

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.