1,1,1,3,3,3-HEXAMETHYL DISILAZANE
1,1,1,3,3,3-HEXAMETHYL DISILAZANE For Synthesis
Short Name: 1,1,1,3,3,3-HEXAMETHYL DISILAZANE
Synonym: HMDS, Bis–(trimethylsilyl) amine
Basic Details
Article No.
LG2390
Grade
For Synthesis
Purity
98%
CAS No.
999-97-3
HS Code
2931.9090
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear Colorless
Odour
Ammonia odour
pH value
8.5
Melting point/ Freezing point [°C]
-80 °C
Auto-ignition temperature [°C]
380°C
Flammability (solid, gas)
Flammable
Flash point [°C]
11 °C
Boiling point [°C]
125 °C
Evaporation rate
Vapour pressure [20°C]
20 hPa at 20°C
Vapour density
4.6
Density [g/cm3]
0.77
Solubility in water [% weight]
Insoluble in water
Partition coefficient Log Pow octanol /water at 20°C
2.62
Explosion limits -upper [%]
16.30%
Explosion limits -lower [%]
0.80%
Chemical Specifications
Appearance
A clear colourless liquid
Purity (by GC)
Min 98%
Density (d20°C/4°C)
0.774 - 0.775
Safety Information & Hazard Symbols
Symbol
GHS02, GHS05, GHS06
Signal Word
Danger
UN No.
3286
IMCO Class No.
3,6.1,8
Packing Group
II
Hazardous Statement
H225-H302-H311-H314-H331-H412
Precaution Statement
P210-P261-P273-P280-P305 + P351 + P338-P310