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Methyltriacetoxysilane

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Methyltriacetoxysilane Basic information

Product Name:
Methyltriacetoxysilane
Synonyms:
  • LABOTEST-BB LT01406986
  • apk1(silanederivative)
  • k10s
  • methylsilanetrioltriacetate
  • methyl-silanetriotriacetate
  • methyltriacetoxy-silan
  • Methylsilanetriyl triacetate
  • METHYLTRIACETOXYSILANE
CAS:
4253-34-3
MF:
C7H12O6Si
MW:
220.25
EINECS:
224-221-9
Product Categories:
  • Si (Classes of Silicon Compounds)
  • Silane Coupling Agents
  • Silane Coupling Agents (Intermediates)
  • Silyl Esters
  • Si-O Compounds
  • Acetoxy Silanes
  • Alkyl
  • Silicone series
  • Functional Materials
  • Crosslinkers
  • Crosslinking Agents
Mol File:
4253-34-3.mol
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Methyltriacetoxysilane Chemical Properties

Melting point:
40-45 °C(lit.)
Boiling point:
94-95 °C9 mm Hg(lit.)
Density 
1.20 g/mL at 20 °C(lit.)
vapor pressure 
0.053-26Pa at 20-25℃
refractive index 
1.52-1.522
Flash point:
185 °F
solubility 
soluble in Methanol
form 
solid
Specific Gravity
1.175
color 
White or Colorless to Almost white or Almost colorless
Water Solubility 
1000g/L at 20℃
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
Sensitive 
Moisture Sensitive
BRN 
1788668
InChIKey
TVJPBVNWVPUZBM-UHFFFAOYSA-N
LogP
-2.4 at 20℃
CAS DataBase Reference
4253-34-3(CAS DataBase Reference)
NIST Chemistry Reference
Methyltriacetoxysilane(4253-34-3)
EPA Substance Registry System
Silanetriol, 1-methyl-, 1,1,1-triacetate (4253-34-3)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
RIDADR 
UN1759
WGK Germany 
2
RTECS 
VV4500000
F 
9-21
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29319090

MSDS

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Methyltriacetoxysilane Usage And Synthesis

Chemical Properties

Methyltriacetoxysilane (MTAC) is a clear to yellowish liquid with acrid odor of acetic acid (vinegar). It hydrolyzes in the presence of moisture (acetic acid is released) to form silanols, which can react with themselves to pro-duce siloxanes or bind to inorganic substrates.

Flammability and Explosibility

Not classified

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