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Hexamethyldisiloxane

Hexamethyldisiloxane

Chemical Formula:

(CH3)3SiOSi(CH3)3

CAS Number:

107-46-0

Hexamethyldisiloxane

Chemical Formula:

(CH3)3SiOSi(CH3)3

CAS Number:

107-46-0

Hexamethyldisiloxane is a versatile liquid used as a methylating agent and precursor for silicone polymers. It is flammable and has a low boiling point. Widely applied in industrial settings, it plays a vital role in the production of silicone oils, elastomers, sealants, and as a solvent and drying agent.

Characteristics

Molar Weight

162.38 g/mol

Melting Point

-60°C

Boiling Point

99-100°C

Solubility

Insoluble in water, soluble in organic solvents

Density

0.764 g/cm³

Forms

Clear, colorless liquid

Odor

Characteristic odor

USES AND APPLICATIONS

Key applications

  • Silicone production
  • Methylating agent
  • Solvent
  • Surface treatment
  • Thin film deposition

Industries

  • Chemical
  • Silicone manufacturing
  • Electronics
  • Semiconductor
  • Coatings and adhesives
  • Automotive
  • Aerospace
  • Personal care
  • Cosmetics
  • Research and development

Synonyms

HMDSO, Bis(trimethylsilyl) ether, 1,1,1,3,3,3-Hexamethyldisiloxane,Trimethylsilyl, TMSME, HMDS.

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