3,5-bis-(Chloromethyl)octamethyltetrasiloxane

Modify Date: 2024-01-12 12:04:08

3,5-bis-(Chloromethyl)octamethyltetrasiloxane Structure
3,5-bis-(Chloromethyl)octamethyltetrasiloxane structure
Common Name 3,5-bis-(Chloromethyl)octamethyltetrasiloxane
CAS Number 17988-79-3 Molecular Weight 379.576
Density 1.0±0.1 g/cm3 Boiling Point 284.6±50.0 °C at 760 mmHg
Molecular Formula C10H28Cl2O3Si4 Melting Point -77ºC
MSDS N/A Flash Point 105.3±22.2 °C

 Names

Name chloromethyl-(chloromethyl-methyl-trimethylsilyloxysilyl)oxy-methyl-trimethylsilyloxysilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 284.6±50.0 °C at 760 mmHg
Melting Point -77ºC
Molecular Formula C10H28Cl2O3Si4
Molecular Weight 379.576
Flash Point 105.3±22.2 °C
Exact Mass 378.049255
PSA 27.69000
LogP 6.99
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.432

 Safety Information

HS Code 2934999090

 Synthetic Route

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3,5-bis-(Chloromethyl)octamethyltetrasiloxane Structure

3,5-bis-(Chloro...

CAS#:17988-79-3

Literature: Speier Journal of the American Chemical Society, 1949 , vol. 71, p. 273

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3,5-bis-(Chloromethyl)octamethyltetrasiloxane Structure

3,5-bis-(Chloro...

CAS#:17988-79-3

Literature: Nozakura Bulletin of the Chemical Society of Japan, 1955 , vol. 28, p. 299,302

 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

Tetrasiloxane, 3,5-bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyl-
3,5-Bis(chloromethyl)-1,1,1,3,5,7,7,7-octamethyltetrasiloxane
3,5-bis-chloromethyl-1,1,1,3,5,7,7,7-octamethyl-tetrasiloxane
3,5-Bis-chlormethyl-1,1,1,3,5,7,7,7-octamethyl-tetrasiloxan
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