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

Description

This Thermo Scientific 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.

Specifications

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

• Melting Point: -78°C
• Color: Colorless
• Density: 0.774 g/mL
• Boiling Point: 126°C
• Flash Point: 8°C (46°F)
• Odor: Odorless
• Refractive Index: 1.408
• Linear Formula: (CH₃)₃SiNHSi(CH₃)₃
• Quantity: 100 g
• UN Number: UN3286
• Beilstein: 635752
• Sensitivity: Moisture sensitive
• Merck Index: 14,4689
• Solubility Information: Miscible with acetone,benzene,ethyl ether,heptane and perchloroethylene.
• Formula Weight: 161.4
• Percent Purity: ≥99%
• Grade: Electronic
• Physical Form: Liquid
• Chemical Name or Material: Hexamethyldisilazane

Safety and Handling

Hazard Category	H225-H302+H332-H311-H314-H335
Hazard Statement	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.
Precautionary Statement	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
DOTInformation	Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUID, TOXIC, CORROSIVE, N.O.S.
EINECSNumber	213-668-5
RTECSNumber	JM9230000
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Nitrogen

SDS