Is METHYLTRIMETHOXYSILANE safe in cosmetics?
METHYLTRIMETHOXYSILANE has a safety rating of "GOOD" in our database. EU status: permitted.
Good
Cosmetic Ingredient
METHYLTRIMETHOXYSILANE
Also known as: Silane, trimethoxymethyl-, EINECS 214-685-0, Silane A-163, Union carbide a-163, UNII-0HI0D71MCI
METHYLTRIMETHOXYSILANE (CAS 1185-55-3) is a cosmetic cosmetic ingredient functioning as Film Forming. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
View industrial chemical safety profile for CAS 1185-55-3 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
METHYLTRIMETHOXYSILANE is classified GHS Danger (H225, H315, H317, H319, H335, H320, H332, H336) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Film Forming
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
trimethoxy(methyl)silane
InChIKey
BFXIKLCIZHOAAZ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
Not specifically regulated
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Adhesion/cohesion promoter
Binder
Chemical reaction regulator
Dehydrating agent (desiccant)
Dispersing agent
Film former
Hardener
Processing aids not otherwise specified
Expert Verdict
Expert safety assessment and concern-level summary for METHYLTRIMETHOXYSILANE.
Regulatory Flags
cosing-sourced
eu-permitted
needs-enrichment
Known Synonyms
Silane, trimethoxymethyl-
EINECS 214-685-0
Silane A-163
Union carbide a-163
UNII-0HI0D71MCI
Chemical Function
Film former
Binder
Dehydrating agent (desiccant)
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL3182654
Frequently Asked Questions
Is METHYLTRIMETHOXYSILANE allowed in the EU?
METHYLTRIMETHOXYSILANE EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does METHYLTRIMETHOXYSILANE do in cosmetics?
METHYLTRIMETHOXYSILANE functions as: Film Forming. It is classified as a cosmetic ingredient in our database. CAS number: 1185-55-3.
Is METHYLTRIMETHOXYSILANE used outside cosmetics?
METHYLTRIMETHOXYSILANE also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does METHYLTRIMETHOXYSILANE have different safety status in cosmetics vs industrial chemicals?
METHYLTRIMETHOXYSILANE is classified GHS Danger (H225, H315, H317, H319, H335, H320, H332, H336) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check METHYLTRIMETHOXYSILANE compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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