C10H30O5Si5
370.77 g/mol
cosmetic_ingredientWarning
Cyclomethicone 5
CAS541-02-6EC208-764-9
Category
cosmetic_ingredient
Compound Class
Heterocycle
Primary Use
Carrier in personal care products
Decamethylcyclopentasiloxane is an organosilicon compound commonly used as a carrier in personal care products. It is a cyclic siloxane with a ring structure that provides volatile, non-greasy properties for cosmetic formulations.
Carrier in personal care productsDry cleaning solventIntermediate in siloxane polymer production
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 541-02-6
Related Compounds
StrongStructure SimilarSimilarity 1.00
Octamethylcyclotetrasiloxane
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Cosmetic ingredient and industrial solvent
ReferenceSame Category
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Cosmetic ingredient and fatty acid
ReferenceSame Category
Phytosphingosine
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Skin care ingredient
ReferenceSame Category
Methylchloroisothiazolinone/methylisothiazolinone
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Biocide preservative in consumer products
ReferenceSame Category
Palmitic acid
CAS57-10-3
cosmetic formulation ingredient
Safety Reference
Warning
H227
H373May cause damage to organs through prolonged or repeated exposure
H413May cause long lasting harmful effects to aquatic life
Regulatory Compliance1
- EU REACH SVHCEURegulation
Identifiers
IUPAC Name
2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
InChIKey
XMSXQFUHVRWGNA-UHFFFAOYSA-N
SMILES
C[Si]1(O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)C
Synonyms (41)
- D5
- Cyclomethicone 5, United States Pharmacopeia (USP)
- 3CE PINK IM GOOD MASCARA
- Botanisil CP 33
- CYCLOPENTASILOXANE (D5)
- Ciclopentasiloxane
- Cyclomethicone 5
- Cyclomethicone D5
- D5-sil
- Ddecamethylcyclopentasiloxane
- Decamethylcylopentasiloxane
- Dekamethylcyklopentasiloxan
- Dimethylsiloxane pentamer
- Dow corning 345
- JEESILC CPS-211
- Lightening Serum
- NUC silicone VS 7158
- Silicon SF 1202
- Simethicone Impurity 4
- Smooth and Soft Cuticles
- XIAMETER PMX-0245
- decamethyl cyclopentasiloxane
- dimethylcyclopentasiloxane