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Octamethyltrisiloxane

Octamethyltrisiloxane

Chemical Formula:

C8H24O2Si3

CAS Number:

107-51-7

Octamethyltrisiloxane is a clear, colorless liquid used as a silicone intermediate. It has a high boiling point, low viscosity, and excellent thermal stability. It is commonly used in the production of silicone elastomers, fluids, and other silicone-based products.

Characteristics

Molar Weight

296.6 g/mol

Melting Point

-49°C

Boiling Point

174-176°C

Solubility

Insoluble in water, soluble in organic solvents

Density

0.890 g/cm³

Forms

Clear, colorless liquid

Odor

Characteristic odor

USES AND APPLICATIONS

Key applications

  • Silicone elastomers
  • Silicone fluids
  • Silicone sealants
  • Silicone coatings
  • Silicone adhesives

Industries

  • Chemical industry
  • Silicone manufacturing
  • Electronics industry
  • Automotive industry
  • Aerospace industry

Synonyms

Octamethyltrisiloxane, Octamethyltrisiloxane, 1,1,1,3,5,5,5-Octamethyl-3,5-bis(trimethylsilyloxy)trisiloxane, Siloxane L-45, L-45, D4

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