Thiosemicarbazide

For Thiosemicarbazide, cas no. is 79-19-6; cercla rq (lbs) is 100; rcra waste number is P116; regulatory categories is 4, verified against its source on 2026-08-05.

Substance: Thiosemicarbazide
CAS No.: 79-19-6
CERCLA RQ (lbs): 100
RCRA waste number: P116
Regulatory categories: 4
EPCRA TPQ (lbs): 100/10,000 per ecfr.gov
EPCRA RQ (lbs): 100 per ecfr.gov

Sourceecfr.gov

Verified2026-08-05

Review by2027-08-05

DatasetUS federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

What the source says

Thiosemicarbazide | 79-19-6 | 4 | P116 | 100 (45.4)

— ecfr.gov, retrieved 2026-08-05

What ecfr.gov says

100 | 500 | 79-19-6 | Thiosemicarbazide | | 100 | 100/10,000 |

— 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: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.