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  7. 1,1,3,3,5,5-Hexamethyltrisiloxane, 95%

1,1,3,3,5,5-Hexamethyltrisiloxane, 95%

Product Code. 11339215
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Product Code. 11339215 Supplier Thermo Scientific Alfa Aesar Supplier No. L16520.14
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Description

CAS: 1189-93-1 | C6H18O2Si3 | 206.463 g/mol

1,1,3,3,5,5-Hexamethyltrisiloxane is involved in the preparation of 2-bis(3-allyl-4-hydroxyphenyl)hexafluoropropane, which is associated with inorganic siloxane polymer and used as a coating material for the detection of toxic chemical warfare agents. It is also used as a silylating agent and to prepare 1,5-Bis[2-(1,2-epoxycyclohex-4-yl)ethyl]-1,1,3,3,5,5-hexamethyltrisiloxane from 4-vinyl-1-cyclohexene-1,2-epoxide by hydrosilylation.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
1,1,3,3,5,5-Hexamethyltrisiloxane is involved in the preparation of 2-bis(3-allyl-4-hydroxyphenyl)hexafluoropropane, which is associated with inorganic siloxane polymer and used as a coating material for the detection of toxic chemical warfare agents. It is also used as a silylating agent and to prepare 1,5-Bis[2-(1,2-epoxycyclohex-4-yl)ethyl]-1,1,3,3,5,5-hexamethyltrisiloxane from 4-vinyl-1-cyclohexene-1,2-epoxide by hydrosilylation.

Solubility
Slightly miscible with water.

Notes
Incompatible with strong oxidizing agents and strong acids.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1189-93-1
Molecular Formula C6H18O2Si3
Molecular Weight (g/mol) 206.463
MDL Number MFCD00039788
InChI Key YTEISYFNYGDBRV-UHFFFAOYSA-N
Synonym 1,1,3,3,5,5-hexamethyltrisiloxane, trisiloxane, 1,1,3,3,5,5-hexamethyl, 1,3,3,5,5-hexamethyltrisiloxane, 2,4,4,6-tetramethyl-3,5-dioxa-2,4,6-trisilaheptane, dimethylbis dimethylsilyloxy silane
PubChem CID 6327152
IUPAC Name [(dimethyl-$l^{3}-silanyl)oxy-dimethylsilyl]oxy-dimethylsilicon
SMILES C[Si](C)O[Si](C)(C)O[Si](C)C

Specifications

Boiling Point 128°C
Melting Point -67°C
Quantity 25 g
UN Number UN1993
Beilstein 1746341
Flash Point 20°C (68°F)
Formula Weight 208.48
Percent Purity 97%
Chemical Name or Material 1,1,3,3,5,5-Hexamethyltrisiloxane

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