Heptamethyldisilazane Chemical Properties

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

pka

14.41±0.70(Predicted)

form 

clear liquid

color 

Colorless to Almost colorless

Specific Gravity

0.798

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

Hazard Codes 

Xi

Risk Statements 

10-36/37/38

Safety Statements 

26-36

RIDADR 

UN 1993 3/PG 3

WGK Germany 

3

F 

10

TSCA 

Yes

HazardClass 

3

PackingGroup 

III

HS Code 

29319090

MSDS

• Language:English Provider:Heptamethyldisilazane
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

Heptamethyldisilazane Usage And Synthesis

Chemical Properties

Clear liquid with amine odor

Heptamethyldisilazane(920-68-3)Related Product Information

• N-Methyldiethanolamine
• Hexamethyldisilazane
• TRIMETHOXYCHLOROSILANEDISC 05/06/04
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• Octamethylcyclotetrasilazane
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• POLY(METHYLSILSESQUIOXANE)
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• Benzylamine
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• Sodium bis(trimethylsilyl)amide
• N,N-Dimethyldodecylamine
• N,N,N',N'-Tetramethylethylenediamine
• 2-Dimethylaminoethanol
• Methylamine
• Heptamethyldisilazane