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Substance Name: 2,4,6,8-Tetramethyltetraphenylcyclotetrasiloxane
RN: 77-63-4
UNII: 69V746D1JO
InChIKey: IRVZFACCNZRHSJ-UHFFFAOYSA-N

Molecular Formula

  • C28-H32-O4-Si4

Molecular Weight

  • 544.901
 
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Names and Synonyms

Name of Substance

  • 2,4,6,8-Tetramethyltetraphenylcyclotetrasiloxane

Synonyms

  • EINECS 201-045-0
  • UNII-69V746D1JO

Systematic Names

  • 2,4,6,8-Tetramethyl-2,4,6,8-tetraphenylcyclotetrasiloxane
  • Cyclotetrasiloxane, 2,4,6,8-tetramethyl-2,4,6,8-tetraphenyl-

Registry Numbers

CAS Registry Number

  • 77-63-4

FDA UNII

  • 69V746D1JO

Other Registry Number

  • 83891-33-2

System Generated Number

  • 0000077634

Structure Descriptors

InChI

1S/C28H32O4Si4/c1-33(25-17-9-5-10-18-25)29-34(2,26-19-11-6-12-20-26)31-36(4,28-23-15-8-16-24-28)32-35(3,30-33)27-21-13-7-14-22-27/h5-24H,1-4H3

InChIKey

IRVZFACCNZRHSJ-UHFFFAOYSA-N

Smiles

[Si]1(c2ccccc2)(O[Si](c2ccccc2)(O[Si](c2ccccc2)(C)O[Si](O1)(c1ccccc1)C)C)C

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 99 deg C   EXP
log P (octanol-water) 9.950 (none)   EST
Water Solubility 1.12E-07 mg/L 25 EST
Vapor Pressure 1.84E-10 mm Hg 25 EST
Henry's Law Constant 1.26E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.40E-12 cm3/molecule-sec 25 EST

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