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Substance Name: Hexamethylcyclotrisiloxane
RN: 541-05-9
UNII: EPV75L8O0R
InChIKey: HTDJPCNNEPUOOQ-UHFFFAOYSA-N

Molecular Formula

  • C6-H18-O3-Si3

Molecular Weight

  • 222.463
 
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Names and Synonyms

Name of Substance

  • Hexamethylcyclotrisiloxane

Synonyms

  • AI3-62005
  • CCRIS 1326
  • DC 246
  • Dimethylsiloxane cyclic trimer
  • EC 208-765-4
  • EINECS 208-765-4
  • Hexamethylcyclotrisiloxane
  • LS 8120
  • SDK 10
  • UNII-EPV75L8O0R

Systematic Names

  • Cyclotrisiloxane, 2,2,4,4,6,6-hexamethyl-
  • Cyclotrisiloxane, hexamethyl-
  • Hexamethylcyclotrisiloxane

Superlist Name

  • Cyclotrisiloxane, hexamethyl-

Registry Numbers

CAS Registry Number

  • 541-05-9

FDA UNII

  • EPV75L8O0R

System Generated Number

  • 0000541059

Structure Descriptors

InChI

1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3

InChIKey

HTDJPCNNEPUOOQ-UHFFFAOYSA-N

Smiles

[Si]1(O[Si](O[Si](O1)(C)C)(C)C)(C)C

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 64.5 deg C   EXP
Boiling Point 134 deg C   EXP
log P (octanol-water) 4.470 (none)   EST
Water Solubility 1.570 mg/L 25 EST
Henry's Law Constant 0.064 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 5.20E-13 cm3/molecule-sec 24 EXP

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