Environmental Defense Fund
EPANonrulemakingEPA-HQ-OPPT-2018-0443

Octamethylcyclotetra- siloxane (D4); TSCA Review

RIN
Last modified
May 29, 2026
Comment window
closed 238d ago
Environmental Defense Fund filings
1

Activity

Environmental Defense Fund filed 1 comment on this docket between Oct 27, 2021 and Oct 27, 2021. 16 other organizations filed here. The comment window closed 238d ago.

What Environmental Defense Fund filed (1)

Oct 27, 2021· Comment submitted by Environmental Defense Fund (EDF)· EPA-HQ-OPPT-2018-0443-0030

Please find attached comments submitted by Environmental Defense Fund on the Draft Scope of the Risk Evaluation for Octamethylcyclotetra-Siloxane (D4).

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-

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