octaphenylcyclotetrasiloxane

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Names

[ CAS No. ]:
546-56-5

[ Name ]:
octaphenylcyclotetrasiloxane

[Synonym ]:
2,2,4,4,6,6,8,8-octakis-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octaphenyl-
2,2,4,4,6,6,8,8-Octaphenyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane
octaphenylcyclotetrasiloxane
MFCD00003268
EINECS 208-904-9

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
334 °C

[ Melting Point ]:
196-198 °C(lit.)

[ Molecular Formula ]:
C48H40O4Si4

[ Molecular Weight ]:
793.171

[ Flash Point ]:
200 °C

[ Exact Mass ]:
792.200378

[ PSA ]:
36.92000

[ LogP ]:
5.09280

[ Index of Refraction ]:
1.661

[ Water Solubility ]:
insoluble

MSDS

Click to get detail MSDS

Safety Information

[ Safety Phrases ]:
S22-S24/25

[ WGK Germany ]:
1

[ RTECS ]:
GZ4398500

[ HS Code ]:
2916399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Diphenylsilane
  • Diphenylsilanediol
  • Dichlorodiphenylsilane
  • Diethoxy(diphenyl)silane
  • Dimethoxydiphenylsilane
  • 1,1,3,3-Tetraphenyldisiloxane-1,3-diol
  • 1,5-dihydroxyhexaphenyltrisiloxane
  • 1-Phenylethanamine
  • hydroxy-[[[hydroxy(diphenyl)silyl]oxy-diphenylsilyl]oxy-diphenylsilyl]oxy-diphenylsilane
  • Disilane,1,1,1-trimethyl-2,2,2-triphenyl-

DownStream

  • dicyclohexyloxy(diphenyl)silane
  • hydroxy-[[[hydroxy(diphenyl)silyl]oxy-diphenylsilyl]oxy-diphenylsilyl]oxy-diphenylsilane
  • Difluoro(diphenyl)silane
  • 1,3-difluoro-1,1,3,3,-tetraphenyldisiloxane

Customs

[ HS Code ]: 2916399090

[ Summary ]:
2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%