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Substance Name: Octamethyltrisiloxane
RN: 107-51-7
UNII: 9G1ZW13R0G
InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N

Molecular Formula

  • C8-H24-O2-Si3

Molecular Weight

  • 236.534
 
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Names and Synonyms

Name of Substance

  • Octamethyltrisiloxane
  • Trisiloxane, octamethyl-

Synonyms

  • CCRIS 3198
  • EC 203-497-4
  • EINECS 203-497-4
  • Octamethyltrisiloxane
  • UNII-9G1ZW13R0G

Systematic Names

  • Octamethyltrisiloxane
  • Trisiloxane, 1,1,1,3,3,5,5,5-octamethyl-
  • Trisiloxane, octamethyl-

Registry Numbers

CAS Registry Number

  • 107-51-7

FDA UNII

  • 9G1ZW13R0G

Other Registry Number

  • 1463470-58-7

System Generated Number

  • 0000107517

Structure Descriptors

InChI

1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3

InChIKey

CXQXSVUQTKDNFP-UHFFFAOYSA-N

Smiles

C[Si](O[Si](C)(C)C)(O[Si](C)(C)C)C

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -8.00E+01 deg C   EXP
Boiling Point 153 deg C   EXP
log P (octanol-water) 4.8 (none)   EXP
Water Solubility 0.034 mg/L 25 EXP
Vapor Pressure 3.34 mm Hg 25 EXP
Henry's Law Constant 3.28 atm-m3/mole 25 EXP
Atmospheric OH Rate Constant 1.20E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.