1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol

Modify Date: 2025-09-24 12:21:00

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Structure
1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol structure
Common Name 1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol
CAS Number 3663-50-1 Molecular Weight 240.47700
Density 0.991g/cm3 Boiling Point 218.8ºC at 760mmHg
Molecular Formula C6H20O4Si3 Melting Point N/A
MSDS N/A Flash Point 86.1ºC

 Names

Name bis[[hydroxy(dimethyl)silyl]oxy]-dimethylsilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.991g/cm3
Boiling Point 218.8ºC at 760mmHg
Molecular Formula C6H20O4Si3
Molecular Weight 240.47700
Flash Point 86.1ºC
Exact Mass 240.06700
PSA 58.92000
LogP 1.10960
Index of Refraction 1.429
InChIKey XYBQTTAROZGWOZ-UHFFFAOYSA-N
SMILES C[Si](C)(O)O[Si](C)(C)O[Si](C)(C)O

 Safety Information

HS Code 2934999090

 Synthetic Route

~99%

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Structure

1,1,3,3,5,5-hex...

CAS#:3663-50-1

Literature: Teng, Conan J.; Weber, William P.; Cai, Guoping Macromolecules, 2003 , vol. 36, # 14 p. 5126 - 5130

~%

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Structure

1,1,3,3,5,5-hex...

CAS#:3663-50-1

Literature: Sokolow Zhurnal Obshchei Khimii, 1959 , vol. 29, p. 258,261, 263; engl. Ausg. S. 262, 265, 266

~%

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Structure

1,1,3,3,5,5-hex...

CAS#:3663-50-1

Literature: Cypryk, M.; Rubinsztajn, S.; Chojnowski, J. Journal of Organometallic Chemistry, 1993 , vol. 446, # 1.2 p. 91 - 97

~%

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Structure

1,1,3,3,5,5-hex...

CAS#:3663-50-1

Literature: Spivack; Dorn Environmental Science and Technology, 1994 , vol. 28, # 13 p. 2345 - 2352

~%

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Structure

1,1,3,3,5,5-hex...

CAS#:3663-50-1

Literature: Spivack; Dorn Environmental Science and Technology, 1994 , vol. 28, # 13 p. 2345 - 2352

 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

1,5-Dihydroxyhexamethyltrisiloxane
Hexamethyltrisiloxane-1,5-diol
1,1,3,3,5,5-Hexamethyl-trisiloxan-1,5-diol
1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol
EINECS 222-920-3
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