Reference Source

Colchicine

For Colchicine, cas no. is 64-86-8; epcra tpq (lbs) is 10/10,000; epcra rq (lbs) is 10, verified against its source on 2026-08-05.

Substance
Colchicine
CAS No.
64-86-8
EPCRA TPQ (lbs)
10/10,000
EPCRA RQ (lbs)
10
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

10/10,000 | 64-86-8 | Colchicine | d | 10 |

— 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.