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HomeProduct name listMethyltriacetoxysilane

Methyltriacetoxysilane

Synonym(s):Methyltriacetoxysilane

  • CAS NO.:4253-34-3
  • Empirical Formula: C7H12O6Si
  • Molecular Weight: 220.25
  • MDL number: MFCD00008694
  • EINECS: 224-221-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-24 19:19:26
Methyltriacetoxysilane Structural

What is Methyltriacetoxysilane?

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

Properties of Methyltriacetoxysilane

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
color  White or Colorless to Almost white or Almost colorless
Specific Gravity 1.175
Water Solubility  1000g/L at 20℃
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Sensitive  Moisture Sensitive
BRN  1788668
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)

Safety information for Methyltriacetoxysilane

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H314:Skin corrosion/irritation
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Methyltriacetoxysilane

InChIKey TVJPBVNWVPUZBM-UHFFFAOYSA-N

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