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HomeProduct name listHeptamethyldisilazane

Heptamethyldisilazane

Synonym(s):Heptamethyldisilazane

  • CAS NO.:920-68-3
  • Empirical Formula: C7H21NSi2
  • Molecular Weight: 175.42
  • MDL number: MFCD00008262
  • EINECS: 213-061-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-31 13:32:20
Heptamethyldisilazane Structural

What is Heptamethyldisilazane?

Chemical properties

Clear liquid with amine odor

Properties of Heptamethyldisilazane

Boiling point: 144-147 °C(lit.)
Density  0.799 g/mL at 20 °C(lit.)
refractive index  n20/D 1.421(lit.)
Flash point: 27 °C
storage temp.  Flammables area
form  clear liquid
pka 14.41±0.70(Predicted)
Specific Gravity 0.798
color  Colorless to Almost colorless
Water Solubility  Decomposes
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN  1737290
CAS DataBase Reference 920-68-3(CAS DataBase Reference)
EPA Substance Registry System Silanamine, N,1,1,1-tetramethyl-N-(trimethylsilyl)- (920-68-3)

Safety information for Heptamethyldisilazane

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Heptamethyldisilazane

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