← American Chemistry Council
EPANonrulemakingEPA-HQ-OPPT-2018-0443

Octamethylcyclotetra- siloxane (D4); TSCA Review

RIN
—
Last modified
May 29, 2026
Comment window
closed 238d ago
American Chemistry Council filings
3

Activity

American Chemistry Council filed 3 comments on this docket between Aug 4, 2020 and Oct 29, 2025. 16 other organizations filed here. The comment window closed 238d ago.

What American Chemistry Council filed (3)

Oct 29, 2025· Comment submitted by American Chemistry Council et al.· EPA-HQ-OPPT-2018-0443-0082

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →
Jul 8, 2024· Comment submitted by American Chemistry Council (ACC)· EPA-HQ-OPPT-2018-0443-0044

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →
Aug 4, 2020· Comment submitted by Karluss Thomas, Senior Director, Silicones Environmental, Health and Safety Center (SEHSC), American Chemistry Council· EPA-HQ-OPPT-2018-0443-0010

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →

Abstract

EPA is interested in information on Octamethylcyclotetra- siloxane (D4) (CASRN 556-67-2). EPA encourages the public to submit use, hazard, and exposure information to this docket. This chemical is also known as Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-

View on regulations.gov →

Co-filers (16)

See everyone who commented →