Methyltris(dimethylsiloxy)silane

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Names

[ Name ]:
Methyltris(dimethylsiloxy)silane

[Synonym ]:
Trisiloxane, 3-[(dimethylsilyl)oxy]-1,1,3,5,5-pentamethyl-
3-[(Dimethylsilyl)oxy]-1,1,3,5,5-pentamethyltrisiloxane
3-dimethylsilanyloxy-1,1,3,5,5-pentamethyl-trisiloxane
3-Dimethylsilyloxy-1,1,3,5,5-pentamethyl-trisiloxan
3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane
EINECS 241-136-2

Chemical & Physical Properties

[ Density]:
0.861

[ Boiling Point ]:
189.1±23.0 °C at 760 mmHg

[ Melting Point ]:
-155ºC

[ Molecular Formula ]:
C₇H₂₄O₃Si₄

[ Molecular Weight ]:
268.606

[ Flash Point ]:
68.2±22.6 °C

[ Exact Mass ]:
268.080261

[ PSA ]:
27.69000

[ LogP ]:
8.27

[ Vapour Pressure ]:
0.8±0.3 mmHg at 25°C

[ Index of Refraction ]:
n20/D 1.384(lit.)

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36

[ WGK Germany ]:
3

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%