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Vinyltris(methylethylketoxime)silane

Basic information Description Safety Supplier Related

Vinyltris(methylethylketoxime)silane Basic information

Product Name:
Vinyltris(methylethylketoxime)silane
Synonyms:
  • 2-Butanone,O,O’,O’’-(ethenylsilylidyne)trioxime
  • Tri(2-butaneneoxime)vinylsilane
  • vinyltris(2-butylidenaminooxy)silane
  • Vinyltris(methylethylketoxime)silane
  • VINYLTRIS(METHYLETHYLKETOXIMINE)SILANE
  • VINYLTRIS(METHYLETHYLKETOXIMINO)SILANE
  • VINYLTRIS(METHYLETHYLKETOXIMINO)SILANE, tech-95
  • Tris(ethylMethylketoxiMato)vinylsilane
CAS:
2224-33-1
MF:
C14H27N3O3Si
MW:
313.47
EINECS:
218-747-8
Product Categories:
  • Crosslinkers
  • Crosslinking Agents
  • Oximino
  • Silicone series
  • Oximino Silanes
Mol File:
2224-33-1.mol
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Vinyltris(methylethylketoxime)silane Chemical Properties

Melting point:
-22°C
Boiling point:
115 °C
Density 
0.982
vapor pressure 
0.034Pa at 25℃
refractive index 
1.4543-1.4553
Flash point:
90°C
Specific Gravity
0.982
Water Solubility 
36.63g/L
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
LogP
1.69
CAS DataBase Reference
2224-33-1(CAS DataBase Reference)
EPA Substance Registry System
2-Butanone, O,O',O''-(ethenylsilylidyne)trioxime (2224-33-1)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
26-36/37/39
RIDADR 
1993
TSCA 
Yes
HazardClass 
3.2
PackingGroup 
III
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Vinyltris(methylethylketoxime)silane Usage And Synthesis

Description

Vinyl Tris(methylethylketoxime)silane (VOS) is a clear and almost colorless fluid with a typical smell (MEKO). It readily hydrolyzes upon contact with moisture.
It is used as a neutral curing agent in silicone sealant formulations. In most cases Vinyl Tris(methylethylketoxime)silane is used in combination with METHYLTRIS(METHYLETHYLKETOXIME)SILANE. Compared to formulations based on methyloxime silanes only, the use of combinations containing methyl- and vinyloxime silanes leads to a shorter skin formation time of the silicone sealant without a reduction of the curing time. The ability of the sealant to withstand stress early, required for a certain elasticity and tear resistance, is achieved.

Chemical Properties

Colorless or yellowish transparent liquid

Flammability and Explosibility

Not classified

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