1,1,1,5,5,5-Hexamethyltrisiloxane

Modify Date: 2025-08-28 17:58:15

1,1,1,5,5,5-Hexamethyltrisiloxane Structure
1,1,1,5,5,5-Hexamethyltrisiloxane structure
 Common Name 1,1,1,5,5,5-Hexamethyltrisiloxane
CAS Number 93254-88-7 Molecular Weight 208.478
Density 0.819 g/cm3 Boiling Point 148.2±23.0 °C at 760 mmHg
Molecular Formula C6H20O2Si3 Melting Point N/A
MSDS N/A Flash Point 43.4±22.6 °C

 Names

Name bis(trimethylsilyloxy)silicon
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.819 g/cm3
Boiling Point 148.2±23.0 °C at 760 mmHg
Molecular Formula C6H20O2Si3
Molecular Weight 208.478
Flash Point 43.4±22.6 °C
Exact Mass 208.077103
PSA 18.46000
LogP 1.68820
Vapour Pressure 5.4±0.3 mmHg at 25°C

 Safety Information

HS Code 2934999090

 Synthetic Route

Trimethylsilanol structure

Trimethylsilanol

CAS#:1066-40-6

~60%

1,1,1,5,5,5-Hexamethyltrisiloxane Structure

1,1,1,5,5,5-Hex...

CAS#:93254-88-7

Literature: Seyferth, Dietmar; Prud'homme, Christian C.; Wang, Wei-Liang Journal of Organometallic Chemistry, 1984 , vol. 277, # 2 p. 203 - 210
Octamethylcyclotetrasiloxane structure

Octamethylcyclo...

CAS#:556-67-2

METHYLLITHIUM structure

METHYLLITHIUM

CAS#:917-54-4

~%

tris(trimethylsiloxy)silane structure

tris(trimethyls...

CAS#:1873-89-8

1,1,1,5,5,5-Hexamethyltrisiloxane Structure

1,1,1,5,5,5-Hex...

CAS#:93254-88-7

Literature: Journal of Organometallic Chemistry, , vol. 277, # 2 p. 203 - 210

 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

1,1,1,5,5,5-Hexamethyltrisiloxane
Trisiloxane, 1,1,1,5,5,5-hexamethyl-
2.2.6.6-tetramethyl-2.4.6-trisila-3.5-dioxaheptane
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Chemsrc provides 1,1,1,5,5,5-Hexamethyltrisiloxane(CAS#:93254-88-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 1,1,1,5,5,5-Hexamethyltrisiloxane are included as well.>> amp version: 1,1,1,5,5,5-Hexamethyltrisiloxane

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