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Hexamethyl Disilazane

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Hexamethyl Disilazane Specification

Boiling point
125C

Storage
Store in cool, dry, and well-ventilated area, away from sources of ignition

Poisonous
Yes

Solubility
Insoluble in water, soluble in organic solvents like ether and benzene

Density
0.773 Gram per cubic centimeter(g/cm3)

Molecular Weight
161.40 g/mol

Form
Colourless transparent liquid

Molecular Formula
C6H19NSi2

Refractive Rate
n20/D 1.410

Purity
99% (by GC)

Shape
Liquid

Other Names
HMDS; 1,1,1,3,3,3-Hexamethyldisilazane

Smell
Aminelike, pungent odor

Melting Point
-52C

Structural Formula
(CH3)3SiNHSi(CH3)3

HS Code
29319090

Classification
Silazane

Chemical Name
Hexamethyldisilazane

CAS No
999-97-3

EINECS No
203-852-3

Grade
Industrial Grade

Standard
Conforms to industrial standard

Type
Organosilicon compound

Usage
Intermediate for pharmaceuticals and chemicals, gas chromatography, manufacturing silicone products

Main Material
Hexamethyl Disilazane

Application
Used as silylation reagent in organic synthesis, protective agent for hydroxyl groups, and in semiconductor industry

Non Toxic
Yes

Incompatibility
Reacts with water, acids, and oxidizing agents

Vapor Pressure
25 mmHg at 37.7 C

Autoignition Temperature
260 C

Hazard Statement
Flammable liquid and vapor. Causes skin irritation and serious eye irritation.

Stability
Stable under recommended storage conditions

Flash Point
21 C (Closed cup)

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