Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,5-bis-(Chloromethyl)octamethyltetrasiloxane
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Purity: 98.0%
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17988-79-3

17988-79-3 structure

17988-79-3 structure

Name: 3,5-bis-(Chloromethyl)octamethyltetrasiloxane
Chemical Name: chloromethyl-(chloromethyl-methyl-trimethylsilyloxysilyl)oxy-methyl-trimethylsilyloxysilane
CAS Number: 17988-79-3
Molecular Formula: C₁₀H₂₈Cl₂O₃Si₄
Molecular Weight: 379.576
Create Date: 2018-07-08 16:12:38
Modify Date: 2024-01-12 12:04:08

Name	chloromethyl-(chloromethyl-methyl-trimethylsilyloxysilyl)oxy-methyl-trimethylsilyloxysilane
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

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

HS Code	2934999090

107-46-0 structure

107-46-0

1558-33-4 structure

1558-33-4

~%

17988-79-3 structure

17988-79-3

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

75-77-4 structure

75-77-4

1558-33-4 structure

1558-33-4

~%

17988-79-3 structure

17988-79-3

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

Precursor 3
107-46-0 1558-33-4 75-77-4
DownStream 0

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