Hexamethyldisilazane
1. Product overview
Name: Hexamethyldisilazane
Molecular formula: C6H19NSi2
Molecular weight: 161.39
CAS Number: 999-97-3
EINECS Number: 213-668-5
2. Physical and chemical properties
Properties: Colorless transparent liquid, non-toxic, slightly amine odor.
Melting point: -78℃.
Boiling point: 125°C.
Relative density: 0.774.
Refractive index: 1.4078.
Flash point: 57.2 °F.
Storage conditions: 2-8°C.
Solubility: soluble in organic solvents
Water solubility: In contact with air, it is rapidly hydrolyzed to form trisilanol and hexamethyldisilazane.
3. Application areas
Special organic synthesis. Addition of silylation during the synthesis of antibiotics, anti-AIDS drugs, and hypolipidemic drugs. Structural control agent for silicone rubber. Surface treatment of diatomite, silica, titanium and other powders. Bonding aid for etchers in the semiconductor industry. It can also be used as an additive for silicon carbide fibers to improve the heat resistance and strength of silicon carbide fibers, as an anti-precipitation agent for coatings, and for the preparation of organosilicon compounds.
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