Methacrylonitrile

For Methacrylonitrile, cas no. is 126-98-7; cercla rq (lbs) is 1000; rcra waste number is U152; regulatory categories is 4, verified against its source on 2026-08-05.

Substance: Methacrylonitrile
CAS No.: 126-98-7
CERCLA RQ (lbs): 1000
RCRA waste number: U152
Regulatory categories: 4
EPCRA TPQ (lbs): 500 per ecfr.gov
EPCRA RQ (lbs): 1,000 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

Methacrylonitrile | 126-98-7 | 4 | U152 | 1000 (454)

— ecfr.gov, retrieved 2026-08-05

What ecfr.gov says

500 | 126-98-7 | Methacrylonitrile | d | 1,000 |

— 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.