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

38.60 EUR - 229.00 EUR

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
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Products 3
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Product Code Brand Quantity Price Quantity & Availability  
11309215
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Thermo Scientific Alfa Aesar
L16519.AC
25 mL
38.60 EUR
25mL
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11319215
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Thermo Scientific Alfa Aesar
L16519.AE
100 mL
80.20 EUR
100mL
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Thermo Scientific Alfa Aesar
L16519.AP
500 mL
229.00 EUR
500mL
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Description

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

999-97-3
MFCD00008259
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
CHEBI:85068
C[Si](C)(C)N[Si](C)(C)C
C6H19NSi2
FFUAGWLWBBFQJT-UHFFFAOYSA-N
13838
[dimethyl-(trimethylsilylamino)silyl]methane

Specifications

126°C
999-97-3
(CH3)3SiNHSi(CH3)3
UN3286
8°C (46°F)
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
FFUAGWLWBBFQJT-UHFFFAOYSA-N
[dimethyl-(trimethylsilylamino)silyl]methane
13838
161.4
Electronic
1.408
0.774
-78°C
C6H19NSi2
MFCD00008259
635752
14,4689
Miscible with methanol,ethyl ether,chloroform and benzene. Immiscible with water.
C[Si](C)(C)N[Si](C)(C)C
161.395
CHEBI:85068
≥99%
Odorless
Moisture sensitive
Hexamethyldisilazane
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Safety and Handling

Safety and Handling

GHS H Statement
H225-H311-H331-H314-H318-H302
Highly flammable liquid and vapor.
Toxic in contact with skin.
Toxic if inhaled.
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.

P210-P233-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P501c

H225-H302+H332-H311-H314-H335

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Recommended Storage : Ambient temperatures; Store under Nitrogen

SDS
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Product Certifications

RUO – Research Use Only