Reference Source

Arsenic trichloride

For Arsenic trichloride, cas no. is 7784-34-1; cercla rq (lbs) is 1; regulatory categories is 1, verified against its source on 2026-09-16.

Substance
Arsenic trichloride verified
CAS No.
7784-34-1 verified
CERCLA RQ (lbs)
1 verified
Regulatory categories
1 verified
EPCRA TPQ (lbs)
500 per ecfr.gov
EPCRA RQ (lbs)
1 per ecfr.gov
Sourceecfr.gov
Verified
Review by
DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA and EPCRA)

What the source says

Arsenic trichloride | 7784-34-1 | 1 | | 1 (0.454)

ecfr.gov, retrieved 2026-08-05

What ecfr.gov says

7784-34-1 | Arsenous Trichloride | | 1 | 500 |

ecfr.gov, retrieved 2026-08-05

Sources

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