pentamethylvinyldisiloxane

Modify Date: 2025-08-22 14:02:23

pentamethylvinyldisiloxane Structure
pentamethylvinyldisiloxane structure
Common Name pentamethylvinyldisiloxane
CAS Number 1438-79-5 Molecular Weight 174.388
Density 0.8±0.1 g/cm3 Boiling Point 105.4±9.0 °C at 760 mmHg
Molecular Formula C7H18OSi2 Melting Point <0ºC
MSDS N/A Flash Point 11.4±19.1 °C

 Names

Name ethenyl-dimethyl-trimethylsilyloxysilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.8±0.1 g/cm3
Boiling Point 105.4±9.0 °C at 760 mmHg
Melting Point <0ºC
Molecular Formula C7H18OSi2
Molecular Weight 174.388
Flash Point 11.4±19.1 °C
Exact Mass 174.089615
PSA 9.23000
LogP 3.55
Vapour Pressure 34.4±0.2 mmHg at 25°C
Index of Refraction 1.407
InChIKey MRRXLWNSVYPSRB-UHFFFAOYSA-N
SMILES C=C[Si](C)(C)O[Si](C)(C)C
Storage condition 2~8℃,Seal

 Safety Information

Hazard Codes Xi
Risk Phrases 11-36/37/38
Safety Phrases 3/7-9-16-36/37/39
RIDADR UN 1993
HS Code 2934999090

 Synthetic Route

~58%

pentamethylvinyldisiloxane Structure

pentamethylviny...

CAS#:1438-79-5

Literature: Dixon, Timothy A.; Steele, Kent P.; Weber, W. P. Journal of Organometallic Chemistry, 1982 , vol. 231, # 4 p. 299 - 306

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pentamethylvinyldisiloxane Structure

pentamethylviny...

CAS#:1438-79-5

Literature: Pike; Bailey Journal of Polymer Science, 1956 , vol. 22, p. 55,60

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pentamethylvinyldisiloxane Structure

pentamethylviny...

CAS#:1438-79-5

Literature: Brand, Dagmar; Moretto, Hans-Heinrich; Schulze, Manfred; Wrobel, Dieter Journal fuer Praktische Chemie/Chemiker-Zeitung, 1994 , vol. 336, # 3 p. 218 - 224

 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%

 Synonyms

1,1,1,3,3-Pentamethyl-3-vinyldisiloxane
vinyldimethyisiloxytrimethylsilane
Disiloxane, pentamethylvinyl-
Pentamethyl-vinyl-disiloxan
VINYLPENTAMETHYLDISILOXANE
dimethyl(trimethylsiloxy)vinylsilane
1-vinyl-1,1,3,3,3-pentamethyldisiloxane
1,1,3,3,3-pentamethyl-1-vinyldisiloxane
Disiloxane, 1-ethenyl-1,1,3,3,3-pentamethyl-
Disiloxane,ethenylpentamethyl
pentamethylvinyldisiloxane
pentamethyl-vinyl-disiloxane
Vinyl Pentamethyl Disiloxane
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