Phthalic anhydride; TSCA Review

Documents

Comments

Description

EPA is interested in information on Phthalic anhydride (CASRN 85-44-9). EPA encourages the public to submit use, hazard, and exposure information to this docket. This chemical is also known as 1,3-Isobenzofurandione.

Key Dates

Comment Period OpensSep 28, 2018

Comment Period ClosesJun 16, 2026

Documents

Type	Title	Posted	Comments	Status
Supporting Material	38. Email from Delsi Corporation on the use of phthalic anhydride in petroleum lubricating oil and grease manufacturing for the draft risk evaluation (2025)	Apr 14, 2026	--

Comment Statistics

Total Comments

Data from Regulations.gov