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

HMDS, Bis–(trimethylsilyl) amine

COAs

Packings

100 ml (00100)

500 ml (00500)

2500 ml (02500)

2500 ml (02500)

1GBA000120 2GBA000500 2GBAG02500 2GBAH02500
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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

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%

Specifications

Appearance A clear colourless liquid Purity (by GC) 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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