2,2,4,4,6,6-hexamethyl-8,8-diphenylcyclotetrasiloxane

Names

[ Name ]:
2,2,4,4,6,6-hexamethyl-8,8-diphenylcyclotetrasiloxane

[Synonym ]:
Diphenyl-D4
1,1-diphenyl-3,3,5,5,7,7-hexamethylcyclotetrasiloxane
1,1-diphenylhexamethylcyclotetrasiloxane
EINECS 216-895-8
1,1-diphenyl-3,3,5,5,7,7-hexamethyltetracyclosiloxane
2.2.4.4.6.6-Hexamethyl-8.8-diphenyl-cyclotetrasiloxan
2,2,4,4,6,6-Hexamethyl-8,8-diphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane
2,2,4,4,6,6-hexamethyl-8,8-diphenyl-cyclotetrasiloxane
Cyclotetrasiloxane,2,2,4,4,6,6-hexamethyl-8,8-diphenyl

Chemical & Physical Properties

[ Density]:
1.06g/cm3

[ Boiling Point ]:
353.9ºC at 760mmHg

[ Molecular Formula ]:
C₁₈H₂₈O₄Si₄

[ Molecular Weight ]:
420.75500

[ Flash Point ]:
146ºC

[ Exact Mass ]:
420.10600

[ PSA ]:
36.92000

[ LogP ]:
3.42840

[ Vapour Pressure ]:
7.1E-05mmHg at 25°C

[ Index of Refraction ]:
1.513

Safety Information

[ HS Code ]:
2916399090

Synthetic Route

Click to get detail synthetic route

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%