1,1,1,3,3,3-Hexamethyldisilazane 98% For Synthesis
HMDS, Bis–(trimethylsilyl) amine ; 1,1,1,3,3,3-HEXAMETHYL DISILAZANE
Product Code. |
01342 |
Grade |
For Synthesis |
Purity |
98% |
CAS No. |
999-97-3 |
Molecular Formula |
C6H19NSi2 |
Molecular Weight |
161.41 |
H.S.Code |
2931.90900 |
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% |
Packaging
Specification
| Appearance | A clear colorless liquid |
| Purity (by GC) | Min 98.0% |
| Density (d20°C/4°C) | 0.774 - 0.775 g/ml |
Safety Information and 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