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920-68-3

920-68-3 structure
920-68-3 structure

Name Heptamethyldisilazane
Synonyms EINECS 213-061-5
Silanamine, N,1,1,1-tetramethyl-N-(trimethylsilyl)-
N,1,1,1-Tetramethyl-N-(trimethylsilyl)silanamine
MFCD00008262
N,N-bis(trimethylsilyl)methanamine
Density 0.8±0.1 g/cm3
Boiling Point 149.0±23.0 °C at 760 mmHg
Molecular Formula C7H21NSi2
Molecular Weight 175.419
Flash Point 43.9±22.6 °C
Exact Mass 175.121246
PSA 3.24000
LogP 2.29
Vapour Pressure 4.1±0.3 mmHg at 25°C
Index of Refraction 1.414
Storage condition Flammables area
Water Solubility Decomposes
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H226-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Hazard Codes Xi: Irritant;
Risk Phrases R10;R36/37/38
Safety Phrases S26-S36
RIDADR UN 1993
WGK Germany 3
Packaging Group I; II; III
Hazard Class 3.0
HS Code 2942000000
HS Code 2942000000