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Compound record

Octamethylcyclotetrasiloxane

Also known as OMCTS

556-67-2 · candidate list substance / siloxane · cosmetics

SVHC Candidate ListEU monitoringcosmeticsformulation
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OMCTS OCTAMETHYLCYCLOTETRASILOXANECyclotetrasiloxane, octamethyl-2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Dossier Status Obligations Why Alternatives Changes Similar Sources
CAS 556-67-2
Formula C8H24O4Si4
Molecular weight 296.61 g/mol
InChIKey HMMGMWAXVFQUOA-UHFFFAOYSA-N

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CompoundClass overlapUse overlapShared seed lineageRoutes
1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane 2 4 0
dossiersimilar
Decamethylcyclopentasiloxane 2 4 0
dossiersimilar
decamethyltetrasiloxane 2 4 0
dossiersimilar
Dodecamethylcyclohexasiloxane 2 4 0
dossiersimilar
Octamethyltrisiloxane 2 4 0
dossiersimilar
(±)-1,7,7-trimethyl-3-[(4-methylphenyl)methylene]bicyclo[2.2.1]heptan-2-one covering any of the individual isomers and/or combinations thereof (4-MBC) 1 2 0
dossiersimilar
[4-[[4-anilino-1-naphthyl][4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene] dimethylammonium chloride (C.I. Basic Blue 26) 1 2 0
dossiersimilar
[4-[4,4'-bis(dimethylamino) benzhydrylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride (C.I. Basic Violet 3) 1 2 0
dossiersimilar
[Phthalato(2-)]dioxotrilead 1 2 0
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1-bromopropane (n-propyl bromide) 1 2 0
dossiersimilar
1-Methyl-2-pyrrolidone (NMP) 1 2 0
dossiersimilar
1-vinylimidazole 1 2 0
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1, 2-dimethoxyethane; ethylene glycol dimethyl ether (EGDME) 1 2 0
dossiersimilar
1,2-benzenedicarboxylic acid, di-C6-10-alkyl esters or mixed decyl and hexyl and octyl diesters 1 2 0
dossiersimilar