Reference Source

Aroclor 1221

For Aroclor 1221, cas no. is 11104-28-2; cercla rq (lbs) is 1; regulatory categories is 1,2,3, verified against its source on 2026-08-05.

Substance
Aroclor 1221 verified
CAS No.
11104-28-2 verified
CERCLA RQ (lbs)
1 verified
Regulatory categories
1,2,3 verified
Sourceecfr.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

Aroclor 1221 | 11104-28-2 | 1,2,3 | | 1 (0.454)

— ecfr.gov, retrieved 2026-08-05

Source

Last verified against source: 2026-08-05. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.