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  6. Hexamethyldisilazane, 98+%, Thermo Scientific Chemicals

Hexamethyldisilazane, 98+%, Thermo Scientific Chemicals

Product Code. 11412118
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2500 mL
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Description

Hexamethyldisilazane is used as a solvent in organic synthesis and organometallic chemistry. It is often used as an adhesion promoter for photoresist in photolithography. Further, it is used for the preparation of trimethylsilyl ethers from hydroxy compounds. It is used as an alternative to critical point drying during sample preparation in electron microscopy. It is added to analyte to get silylated diagnostic products during pyrolysis in gas chromatography- mass spectrometry.

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
Hexamethyldisilazane is used as a solvent in organic synthesis and organometallic chemistry. It is often used as an adhesion promoter for photoresist in photolithography. Further, it is used for the preparation of trimethylsilyl ethers from hydroxy compounds. It is used as an alternative to critical point drying during sample preparation in electron microscopy. It is added to analyte to get silylated diagnostic products during pyrolysis in gas chromatography- mass spectrometry.

Solubility
Miscible with methanol, chloroform, ethyl ether and benzene. Immiscible with water.                    

Notes
Incompatible with strong oxidizing agents and strong acids.  
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 999-97-3
Molecular Formula C6H19NSi2
Molecular Weight (g/mol) 161.395
MDL Number MFCD00008259
InChI Key FFUAGWLWBBFQJT-UHFFFAOYSA-N
Synonym hexamethyldisilazane, bis trimethylsilyl amine, hmds, 1,1,1,3,3,3-hexamethyldisilazane, hexamethylsilazane, silanamine, 1,1,1-trimethyl-n-trimethylsilyl, tri-sil, 1,1,1-trimethyl-n-trimethylsilyl silanamine, hexamethyldisilizane, disilazane, 1,1,1,3,3,3-hexamethyl
PubChem CID 13838
ChEBI CHEBI:85068
IUPAC Name [dimethyl-(trimethylsilylamino)silyl]methane
SMILES C[Si](C)(C)N[Si](C)(C)C

Specifications

Melting Point -78°C
Density 0.774
Boiling Point 126°C
Flash Point 8°C (46°F)
Assay Percent Range 98+%
Odor Odorless
Linear Formula (CH3)3SiNHSi(CH3)3
Refractive Index 1.408
Quantity 2500 mL
UN Number UN3286
Beilstein 635752
Sensitivity Moisture sensitive
Merck Index 14,4689
Solubility Information Miscible with methanol,chloroform,ethyl ether and benzene. Immiscible with water.
Formula Weight 161.4
Percent Purity ≥98%
Physical Form Liquid
Chemical Name or Material Hexamethyldisilazane
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