Definition
US FDA substance register · UNII 9862TW94B2 · registered name STEAROXYTRIMETHYLSILANE · single chemical substance
Trimethyl(octadecyloxy)silane
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
Reviewed by CIR: Final Report: Safety Assessment of Alkoxy Alkyl Silanes as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ステアロキシトリメチルシラン: 本品は、次の化学式で表される有機ケイ素化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 18748-98-6
- EC No.EU chemical inventory number
- 242-554-8
- DTXSIDUS EPA chemical ID
- DTXSID5066405
- DTXCIDUS EPA compound ID
- DTXCID4035914
- IUPAC
- Trimethyl(octadecyloxy)silane
- Molecular formula
- C21H46OSi
- Molecular weight
- 342.683 g/mol
Measured properties
- Appearance
- Liquid
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 5 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Softener and conditioner5
Source: US EPA CompTox dashboard
Linked databases 16
- Australian Industrial Chemicals Inventory (AICIS)
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata