chem-data European chemical and regulatory registry

Compound record

Octamethyltrisiloxane

Also known as CO9816

107-51-7 · candidate list substance / siloxane · cosmetics

SVHC Candidate ListEU monitoringcosmeticsformulation
Dossier

Identity-first dossier for exact-name, CAS, and use-context lookups.

Lookup labels

CO9816 OCTAMETHYLTRISILOXANETrisiloxane, octamethyl-1,1,1,3,3,5,5,5-Octamethyltrisiloxane
CAS 107-51-7
Formula C8H24O2Si3
Molecular weight 236.53 g/mol
InChIKey CXQXSVUQTKDNFP-UHFFFAOYSA-N

Current EU status

Regulatory snapshot for Octamethyltrisiloxane

Octamethyltrisiloxane is currently surfaced as candidate list substance in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on vPvB (Article 57e), and this page is designed for fast status checks before deeper source review.

Searchers usually land here for the chemical name, CAS number, abbreviation CO9816, and the question of whether the substance is tied to SVHC, REACH, POPs, or SCIP-style compliance work.

Candidate List substancecurrent statuslatest imported framework state
21 Jan 2025latest anchor datelisted, effective, or checked date

Identity

CAS, formula, aliases, and use context

Fast lookup

CAS 107-51-7 · Formula C8H24O2Si3 · Molecular weight 236.53 g/mol · Current status Candidate List substance

If you landed here for formula, molecular weight, or exact substance identity, this block gives the shortest route before you branch into status, obligations, or sources.

CAS
107-51-7
EC
203-497-4
Formula
C8H24O2Si3
Molecular weight
236.53 g/mol
Primary class
candidate list substance
Synonym count
85

Search-friendly summary

Octamethyltrisiloxane (CO9816) , CAS 107-51-7, is tracked here as a cosmetics substance in the candidate list substance class.

Common names and aliases

OCTAMETHYLTRISILOXANETrisiloxane, octamethyl-1,1,1,3,3,5,5,5-Octamethyltrisiloxanedimethyl-bis(trimethylsilyloxy)silanePentamethyl(trimethylsilyloxy)disiloxaneDimethylbis(trimethylsiloxy)silane

What to do next

Use the right route for status, SCIP, and source questions