1,1,1,3,3,3-HEXAMETHYL DISILAZANE For Synthesis

HMDS, Bis–(trimethylsilyl) amine

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Article No.
04047
Grade
For Synthesis
Purity
98%
CAS No.
999-97-3
Molecular Formula
C6H19NSi2
Molecular Weight
161.41
H.S. Code
2931.9090
Shelf Life
60 Months
MSDS
 

 

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
< 1
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%

Packings

  • 1GBA000120

    100 ml (00100)

  • 2GBA000500

    500 ml (00500)

  • 2GBAG02500

    2500 ml (02500)

  • 2GBAH02500

    2500 ml (02500)

 

Specifications

Appearance A clear colourless liquid
Assay (GC area %) Min 98%
Density (d20°C/4°C) 0.774 - 0.775

Safety Information and Hazard Symbols

Skull and Crossbones Flame Corrosion
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
Revision Date : 18-Dec-2013
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