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Film Former

TETRAETHYL ORTHOSILICATE

CAS 78-10-4 Updated
40

Safety score · 0–100

Moderate

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

About

A reactive silica precursor that hydrolyzes to silica and ethanol. Raw form is a flammable irritant; in finished cosmetics it has typically already reacted into inert silica.

Function

NOT REPORTED

Skin benefits

  • Source of silica film former
  • Used in primers and color cosmetics

Known concerns

  • Flammable liquid (GHS H226)
  • Eye and skin irritant
  • Acute inhalation toxicity (GHS H332)
  • Hydrolyzes to ethanol and silica

References

EU

EU CosIng database

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

Related film formers

40
4,4'-ISOPROPYLIDENEDIPHENYL/EPICHLOROHYDRIN COPOLYMER DIACRYLATE
Film Former
 40
BIS-(DITRIMETHYLOLPROPANE TRIACRYLATE) HEXANEDICARBAMATE
Film Former
 40
C5-6 OLEFIN/STYRENE COPOLYMER
Film Former
 40
COLLODION
Film Former
 40
DIBUTYL MALEATE
Film Former
 40
PEI-35
Film Former
 40
PTFE
Film Former
 40
TOSYLAMIDE/EPOXY RESIN
Film Former

Check your shelf

Find TETRAETHYL ORTHOSILICATE in your products.

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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.