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  7. 2,4,6,8-Tetramethylcyclotetrasiloxane, 99%, Thermo Scientific Chemicals

2,4,6,8-Tetramethylcyclotetrasiloxane, 99%, Thermo Scientific Chemicals

Product Code. 11379295
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100 g
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Description

Tetramethyl-cyclotetrasiloxane is a good impregnant of photoelectric material. It is used to manufacture of modified siloxane with defined hydrogen content and chain quantity. It is also used in production of silicone polymers and acts as a precursor for the deposition of polysiloxane, cyclic siloxane, silicon dioxide, oxycarbide thin films with low dielectric constant for microelectronics and semiconductors.

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
Tetramethyl-cyclotetrasiloxane is a good impregnant of photoelectric material. It is used to manufacture of modified siloxane with defined hydrogen content and chain quantity. It is also used in production of silicone polymers and acts as a precursor for the deposition of polysiloxane, cyclic siloxane, silicon dioxide, oxycarbide thin films with low dielectric constant for microelectronics and semiconductors.

Solubility
Miscible with most organic solvents. Immiscible with water.

Notes
Incompatible with oxidizing agents, bases and acids. Store in a cool place.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 2370-88-9
Molecular Formula C4H12O4Si4
Molecular Weight (g/mol) 236.476
MDL Number MFCD00039567
InChI Key WZJUBBHODHNQPW-UHFFFAOYSA-N
Synonym 2,4,6,8-tetramethylcyclotetrasiloxane, 1,3,5,7-tetramethylcyclotetrasiloxane, tetramethylcyclotetrasiloxane, tmcts, cyclotetrasiloxane, 2,4,6,8-tetramethyl, 2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, 1,2,5,7-tetramethylcyclotetrasiloxane, 2,4,6,8-tetramethyl-cyclotetrasiloxan, 2,4,6,8-tetramethylcyclotetrasiloxne, 1,3,5,7-tetramethyl cyclotetrasiloxane
PubChem CID 6327421
IUPAC Name 2,4,6,8-tetramethyl-5,7-dioxa-1,3-dioxonia-2,4-disila-6,8-disilanidacycloocta-1,3-diene
SMILES C[Si-]1O[Si-]([O+]=[Si]([O+]=[Si](O1)C)C)C

Specifications

Boiling Point 134°C to 135°C
Melting Point -69°C
Quantity 100 g
UN Number UN1993
Beilstein 1787074
Flash Point 25°C (77°F)
Solubility Information Miscible with most organic solvents. Immiscible with water.
Formula Weight 240.51
Percent Purity 99%
Refractive Index 1.387
Sensitivity Moisture sensitive
Density 0.991
Chemical Name or Material 2,4,6,8-Tetramethylcyclotetrasiloxane
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