# 2,5-Furandione — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)

For 2,5-Furandione, cas no. is 108-31-6; cercla rq (lbs) is 5000; rcra waste number is U147; regulatory categories is 1,3,4, verified against its source on 2026-08-05.

- **Substance:** 2,5-Furandione _(verified: appears in the quote below)_
- **CAS No.:** 108-31-6 _(verified: appears in the quote below)_
- **CERCLA RQ (lbs):** 5000 _(verified: appears in the quote below)_
- **RCRA waste number:** U147 _(verified: appears in the quote below)_
- **Regulatory categories:** 1,3,4 _(verified: appears in the quote below)_

## What the source says

> 2,5-Furandione | 108-31-6 | 1,3,4 | U147 | 5000 (2270)

## Source

- https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)](https://referencesource.org/chemical-regulatory-reporting-thresholds/).