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Film Former

METHYLTRIETHOXYSILANE

CAS 2031-67-6 Updated
60

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A reactive silane used to crosslink silicone-based films. Flammable in raw form and hydrolyses to ethanol; only acceptable in finished products as a fully reacted residue.

Function

NOT REPORTED

Skin benefits

  • Silane crosslinker for film-formation
  • Improves water resistance of polymers
  • Functional only after curing

Known concerns

  • GHS H226 flammable liquid
  • Hydrolyses to release ethanol
  • Should be fully reacted in finished product
  • Not appropriate as free residual ingredient

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related film formers

60
ACRYLATES/BEHENETH-25 METHACRYLATE/HEMA CROSSPOLYMER-2
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ACRYLATES/TRIFLUOROPROPYLMETHACRYLATE/POLYTRIMETHYL SILOXYMETHACRYLATE COPOLYMER
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BIS-(HEA POLYCAPROLACTONE) PEG-2/PPG-3/IPDI COPOLYMER
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BIS-(HEMA/ETHYLHEXYL) POLY(1,4-BUTANEDIOL)-9/TMDI/IPDI COPOLYMER
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BIS-(METHOXY PEG-9 CARBAMOYL) POLY-SMDI
Film Former
 60
BIS-HEA POLYDIETHYLENEGLYCOL ADIPATE/IPDI COPOLYMER
Film Former
 60
BIS-HEMA POLOXAMER 251/IPDI COPOLYMER
Film Former
 60
BIS-HEMA POLY(1,4-BUTANEDIOL)-9/IPDI COPOLYMER
Film Former

Check your shelf

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.