ChemicalBook Product Catalog Chemical Reagents Organic reagents Silane Methyltriacetoxysilane

Methyltriacetoxysilane

Methyltriacetoxysilane Basic information
Product Name:Methyltriacetoxysilane
Synonyms:k10s;methylsilanetrioltriacetate;methyl-silanetriotriacetate;methyltriacetoxy-silan;Methylsilanetriyl triacetate;METHYLTRIACETOXYSILANE;Silanetriol, 1-Methyl-,1,1,1-triacetate;Triacetic acid methylsilanetriyl ester
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;Crosslinkers;Crosslinking Agents;Functional Materials;Silicone series;Alkyl
Mol File:4253-34-3.mol
Methyltriacetoxysilane Structure
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
Fp 185 °F
solubility soluble in Methanol
form solid
Specific Gravity1.175
color White or Colorless to Almost white or Almost colorless
Water Solubility 1000g/L at 20℃
Hydrolytic Sensitivity7: reacts slowly with moisture/water
Sensitive Moisture Sensitive
BRN 1788668
InChIKeyTVJPBVNWVPUZBM-UHFFFAOYSA-N
LogP-2.4 at 20℃
CAS DataBase Reference4253-34-3(CAS DataBase Reference)
NIST Chemistry ReferenceMethyltriacetoxysilane(4253-34-3)
EPA Substance Registry SystemSilanetriol, 1-methyl-, 1,1,1-triacetate (4253-34-3)
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 Information
ProviderLanguage
SigmaAldrich English
ALFA English
Methyltriacetoxysilane Usage And Synthesis
Chemical PropertiesMethyltriacetoxysilane (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 ExplosibilityNotclassified
Methyltriacetoxysilane Preparation Products And Raw materials
Raw materialsAcetic anhydride-->Sodium acetate-->Methyltrichlorosilane-->Chloromethyl silane-->Chlorotrimethylsilane-->Acetic acid
Methyltris(methylethylketoxime)silane Vinyltris(methylethylketoxime)silane Methyltriacetoxysilane Vinyltrimethoxyacyloxygroupsilanes Methyl TRIMETHYLSILANE SILICON TETRAACETATE METHYLTRIS(TRIFLUOROACETOXY)SILANE METHYLSILANE Silicon tetrahydride methylsilylidyne tris(2-ethylhexanoate) Kresoxim-methyl N-HEXYLTRIACTOXYSILANE METHYLTRIACETOXYSILANE-ETHYLTRIACETOXYSILANE Thiophanate-methyl PHENYLTRIACETOXYSILANE (Triacetoxy)ethylsilane Vinyltriacetoxysilane
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