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Substance Name: 2,2,4,4,6,8-Hexamethyl-6,8-diphenylcyclotetrasiloxane
RN: 18604-02-9
UNII: 7649067PIA
InChIKey: SQMDVANNTDBLCG-UHFFFAOYSA-N

Classification Code

  • Reproductive Effect

Molecular Formula

  • C18-H28-O4-Si4

Molecular Weight

  • 420.759
 
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Names and Synonyms

Name of Substance

  • 2,2,4,4,6,8-Hexamethyl-6,8-diphenylcyclotetrasiloxane

Synonyms

  • racemic-2,4-Diphenyl-2,4,6,6,8,8-hexamethylcyclotetrasiloxane
  • UNII-7649067PIA

Systematic Name

  • Cyclotetrasiloxane, 2,4-diphenyl-2,4,6,6,8,8-hexamethyl-, racemic mixture

Registry Numbers

CAS Registry Number

  • 18604-02-9

FDA UNII

  • 7649067PIA

System Generated Number

  • 0018604029

Structure Descriptors

InChI

1S/C18H28O4Si4/c1-23(2)19-24(3,4)21-26(6,18-15-11-8-12-16-18)22-25(5,20-23)17-13-9-7-10-14-17/h7-16H,1-6H3

InChIKey

SQMDVANNTDBLCG-UHFFFAOYSA-N

Smiles

c1([Si@@]2(O[Si@@](c3ccccc3)(O[Si](C)(C)O[Si](O2)(C)C)C)C)ccccc1

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 7.520 (none)   EST
Water Solubility 8.30E-05 mg/L 25 EST
Vapor Pressure 8.37E-06 mm Hg 25 EST
Henry's Law Constant 3.31E-04 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 4.80E-12 cm3/molecule-sec 25 EST

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