920-68-3

Name Heptamethyldisilazane
CAS 920-68-3
EINECS(EC#) 213-061-5
Molecular Formula C7H21NSi2
MDL Number MFCD00008262
Molecular Weight 175.42
MOL File 920-68-3.mol
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Chemical Properties

Appearance Clear liquid with amine odor
Boiling point  144-147 °C(lit.)
density  0.799 g/mL at 20 °C(lit.)
refractive index  n20/D 1.421(lit.)
Fp  27 °C
storage temp.  Flammables area
form  clear liquid
pka 14.41±0.70(Predicted)
color  Colorless to Almost colorless
Specific Gravity 0.798
Water Solubility  Decomposes
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Sensitive  Moisture Sensitive
BRN  1737290
CAS DataBase Reference 920-68-3(CAS DataBase Reference)
EPA Substance Registry System 920-68-3(EPA Substance)

Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H315-H319-H335
Precautionary statements  P210-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements 
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
RIDADR  UN 1993 3/PG 3
WGK Germany  3
F  10
TSCA  Yes
REACH Registrations Active
HazardClass  3
PackingGroup  III
HS Code  29319090

Hazard Information

Material Safety Data Sheet(MSDS)

Spectrum Detail

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