Is Tetramethyl Tetraphenyl Trisiloxane safe in cosmetics?
Tetramethyl Tetraphenyl Trisiloxane has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.
Good
Cosmetic Ingredient
Tetramethyl Tetraphenyl Trisiloxane
Also known as: 1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane, Trisiloxane, 1,3,3,5-tetramethyl-1,1,5,5-tetraphenyl-, EINECS 223-620-5, UNII-6IOT4Y7V2B
INCI: TETRAMETHYL TETRAPHENYL TRISILOXANE
Tetramethyl Tetraphenyl Trisiloxane (CAS 3982-82-9) is a cosmetic cosmetic ingredient functioning as Skin Conditioning, Skin Conditioning – Emollient. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 3982-82-9 →
Auto-generated CPSR Part A draft with source citations
Function
Skin Conditioning, Skin Conditioning – Emollient
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
dimethyl-bis[[methyl(diphenyl)silyl]oxy]silane
InChIKey
YFCVAZGXPLMNDG-UHFFFAOYSA-N
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Permitted for cosmetic use; no restrictions
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Tetramethyl Tetraphenyl Trisiloxane.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Tetramethyl Tetraphenyl Trisiloxane.
Known Synonyms
1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane
Trisiloxane, 1,3,3,5-tetramethyl-1,1,5,5-tetraphenyl-
EINECS 223-620-5
UNII-6IOT4Y7V2B
Chemical Function
Softener and conditioner
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Tetramethyl Tetraphenyl Trisiloxane allowed in the EU?
Tetramethyl Tetraphenyl Trisiloxane EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Tetramethyl Tetraphenyl Trisiloxane do in cosmetics?
Tetramethyl Tetraphenyl Trisiloxane functions as: Skin Conditioning, Skin Conditioning – Emollient. It is classified as a cosmetic ingredient in our database. CAS number: 3982-82-9.
Is Tetramethyl Tetraphenyl Trisiloxane used outside cosmetics?
Tetramethyl Tetraphenyl Trisiloxane also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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