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Substance Name: 2,6-Diphenylhexamethylcyclotetrasiloxane
RN: 4657-20-9
InChIKey: ZTQZMPQJXABFNC-UHFFFAOYSA-N

Note

  • An organosilicon anti-androgenic compound with estrogenic activities.

Classification Code

  • Reproductive Effect

Molecular Formula

  • C18-H28-O4-Si4

Molecular Weight

  • 420.759
 
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Names and Synonyms

Name of Substance

  • 2,6-Diphenylhexamethylcyclotetrasiloxane

Synonyms

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

Systematic Names

  • 2,2,4,6,6,8-Hexamethyl-4,8-diphenylcyclotetrasiloxane
  • Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-
  • Cyclotetrasiloxane, 2,6-diphenyl-2,4,4,6,8,8-hexamethyl-

Registry Numbers

CAS Registry Number

  • 4657-20-9

System Generated Number

  • 0004657209

Structure Descriptors

InChI

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

InChIKey

ZTQZMPQJXABFNC-UHFFFAOYSA-N

Smiles

c1([Si]2(O[Si](O[Si](c3ccccc3)(C)O[Si](O2)(C)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.