Hexamethyldisilazane, Electronic grade, 99+%, Thermo Scientific Chemicals

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, ethyl ether, chloroform and benzene. Immiscible with water.

Notes
Incompatible with strong oxidizing agents and strong acids.  

Specifications

Chemical Identifiers

• CAS: 999-97-3
• Molecular Formula: C6H19NSi2
• 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

• Boiling Point: 126°C
• Melting Point: -78°C
• Quantity: 25 mL
• Linear Formula: (CH₃)₃SiNHSi(CH₃)₃
• UN Number: UN3286
• Beilstein: 635752
• Flash Point: 8°C (46°F)
• Merck Index: 14,4689
• Solubility Information: Miscible with methanol,ethyl ether,chloroform and benzene. Immiscible with water.
• Molecular Weight (g/mol): 161.395
• Formula Weight: 161.4
• Percent Purity: ≥99%
• Grade: Electronic
• Odor: Odorless
• Refractive Index: 1.408
• Sensitivity: Moisture sensitive
• Density: 0.774
• Chemical Name or Material: Hexamethyldisilazane

RUO – Research Use Only