Description
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Methyltriethoxysilane

Description
Methyltriethoxysilane Structure
Methyltriethoxysilane
  • CAS No.2031-67-6
  • Chemical Name:Methyltriethoxysilane
  • CBNumber:CB3853296
  • Molecular Formula:C7H18O3Si
  • Formula Weight:178.3
  • MOL File:2031-67-6.mol
Methyltriethoxysilane Property
  • Melting point: :<-40°C
  • Boiling point: :141-143 °C(lit.)
  • Density  :0.895 g/mL at 25 °C(lit.)
  • vapor density  :>1 (vs air)
  • vapor pressure  :11 mm Hg ( 20 °C)
  • refractive index  :n20/D 1.383(lit.)
  • Flash point: :75 °F
  • storage temp.  :Flammables area
  • form  :liquid
  • color  :colorless
  • Specific Gravity :0.896
  • Water Solubility  :INSOLUBLE
  • Sensitive  :Moisture Sensitive
  • Hydrolytic Sensitivity :7: reacts slowly with moisture/water
  • BRN  :1742453
  • Stability: :Stability Moisture-sensitive. Flammable - note low flash point. Incompatible with acids, oxidizing agents, moisture, water.
  • InChIKey :CPUDPFPXCZDNGI-UHFFFAOYSA-N
  • CAS DataBase Reference :2031-67-6(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :N811L6SAVL
  • NIST Chemistry Reference :Silane, triethoxymethyl-(2031-67-6)
  • EPA Substance Registry System :Triethoxymethylsilane (2031-67-6)
Safety
  • Risk Statements  :10
  • Safety Statements  :16
  • RIDADR  :UN 1993 3/PG 3
  • WGK Germany  :3
  • RTECS  :VV4640000
  • F  :10-21
  • Autoignition Temperature :220 °C
  • TSCA  :Yes
  • HazardClass  :3
  • PackingGroup  :III
  • HS Code  :29310095
  • Toxicity :LD50 orally in Rabbit: 15700 mg/kg
  • NFPA 704:
    3
    2 1
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H320-H335-H226
  • Precautionary statements P260-P210-P403+P235-P233-P240-P241+P242+P243-P264-P280-P303+P361+P353-P305+P351+P338+P337+P313-P370+P378-P501
Methyltriethoxysilane Price More Price(10)
  • Brand: Sigma-Aldrich
  • Product number: 175579
  • Product name : Triethoxymethylsilane
  • Purity: 99%
  • Packaging: 50g
  • Price: $35.7
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 175579
  • Product name : Triethoxymethylsilane
  • Purity: 99%
  • Packaging: 250g
  • Price: $59.2
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: M0451
  • Product name : Triethoxymethylsilane
  • Purity: >98.0%(GC)
  • Packaging: 25mL
  • Price: $14
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: M0451
  • Product name : Triethoxymethylsilane
  • Purity: >98.0%(GC)
  • Packaging: 500mL
  • Price: $72
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: L04059
  • Product name : Methyltriethoxysilane, 98%
  • Purity: 
  • Packaging: 250ml
  • Price: $40.5
  • Updated: 2019/12/02
  • Buy: Buy

Methyltriethoxysilane Chemical Properties,Usage,Production

  • Description Methyltriethoxysilane is an alkylalkoxysilane. It is a clear, colorless liquid with an odor characteristic of alcohols. It hydrolyzes slowly in the presence of moisture to form reactive silanols. These react further to produce oligosiloxanes and then polysiloxanes.
    As a Filler Modifier, Methyltrimethoxysilane is used mainly to render a wide range of surfaces and materials water repellent (e.g. mineral fillers, pigments, glass, cardboard). It may be used pure or in solution to treat fillers, using suitable mixing equipment. It may be necessary to first pre-treat the substrate with water and/or a catalyst. It is also used in the production of silicone resins and condensation-curing silicone rubber, used as an important component in sol-gel systems.
    As one of the most common Alkoxy Crosslinkers, Methyltrimethoxysilane has high reactivity that precedes by nucleophilic substitution usually in the presence of acid or base catalysts.
  • Chemical Properties Colorless clear liquid
Methyltriethoxysilane Preparation Products And Raw materials
Raw materials
Preparation Products
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  • A 162
  • 2031-67-6
  • C7H18O3Si
  • CH3SiOC2H53
  • Silicone series
  • Functional Materials
  • Si (Classes of Silicon Compounds)
  • Silane Coupling Agents
  • Silane Coupling Agents (Intermediates)
  • Si-O Compounds
  • Trialkoxysilanes
  • Alkoxy Silanes
  • Crosslinkers
  • Crosslinking Agents
  • Silane series
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  • Si-O Compounds
  • Trialkoxysilanes
  • Silane Coupling Agents (Intermediates)
  • Si (Classes of Silicon Compounds)
  • organosilicon compounds
  • silane
  • Organosilicon
  • Organometallic Reagents
  • 31-67-6