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DIMETHYLETHOXYSILANE

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DIMETHYLETHOXYSILANE Basic information

Product Name:
DIMETHYLETHOXYSILANE
Synonyms:
  • ethoxydimethyl-silan
  • ethoxydimethylsilane
  • Dimethylethoxysilane (PURITY??)
  • ethoxydimethyl-Silane
  • DIMETHYLETHOXYSILANE
  • DIMETHYLETHOXYSILANE, AMMONIA-FREE: 94%
  • Ethoxydimethylsilane. Diethylhydrogenmethoxysilane.
  • Dimethylethoxysilane,95%
CAS:
14857-34-2
MF:
C4H12OSi
MW:
104.22
EINECS:
238-921-7
Product Categories:
  • Alkoxy Silanes
Mol File:
14857-34-2.mol
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DIMETHYLETHOXYSILANE Chemical Properties

Boiling point:
55 °C
Density 
0.757
refractive index 
1.3680
Flash point:
15°C
storage temp. 
Flammables area
Specific Gravity
0.757
Water Solubility 
Hydrolyzes in water.
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
Sensitive 
Moisture Sensitive
BRN 
1731481
Exposure limits
ACGIH: TWA 0.5 ppm; STEL 1.5 ppm
CAS DataBase Reference
14857-34-2(CAS DataBase Reference)
EPA Substance Registry System
Silane, ethoxydimethyl- (14857-34-2)
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Safety Information

Hazard Codes 
F
Risk Statements 
11-36/37/38
Safety Statements 
16-33-36/37/39-9-37/39-26
RIDADR 
1993
RTECS 
VV4090000
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29319090

MSDS

  • Language:English Provider:ALFA
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DIMETHYLETHOXYSILANE Usage And Synthesis

Chemical Properties

Colorless clear liquid

Uses

Dimethylethoxysilane (DMES), a volatile liquid, is used by NASA to waterproof the heatprotective silica tiles and blankets on the space shuttle. DMES readily produces a variety of products in the presence of small amounts of moisture or bases. DMES readily produces a variety of products in the presence of small amounts of moisture or bases.

Application

Will form high-boiling polymeric by-products with aqueous work-up

Hazard

An inhalation hazard. Headache, eye and upper respiratory tract irritant.

Safety Profile

An inhalation hazard. Experimental reproductive effects. A flammable liquid. When heated to decomposition it emits acrid smoke and irritating vapors.

DIMETHYLETHOXYSILANESupplier

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