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818819 Triethoxymethylsilane


Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
2031-67-6217-983-9C₇H₁₈O₃Si(C₂H₅O)₃SiCH₃178.3 g/mol

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      Glass bottle 250 ml
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      Catalogue Number818819
      SynonymsMethyltriethoxysilane, MTES
      Product Information
      CAS number2031-67-6
      EC number217-983-9
      Hill FormulaC₇H₁₈O₃Si
      Chemical formula(C₂H₅O)₃SiCH₃
      Molar Mass178.3 g/mol
      HS Code2931 90 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      ApplicationTriethoxymethylsilane for synthesis. CAS 2031-67-6, EC Number 217-983-9, chemical formula (C₂H₅O)₃SiCH₃.
      Biological Information
      Physicochemical Information
      Boiling point142 °C (1013 hPa)
      Density0.89 g/cm3 (20 °C)
      Flash point34 °C
      Ignition temperature220 °C
      Melting Point<-40 °C
      Vapor pressure15 hPa (20 °C)
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 15700 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H226: Flammable liquid and vapour.
      Precautionary Statement(s)P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
      P233: Keep container tightly closed.
      P240: Ground and bond container and receiving equipment.
      P241: Use explosion-proof electrical/ ventilating/ lighting equipment.
      P242: Use non-sparking tools.
      P243: Take action to prevent static discharges.
      Signal WordWarning
      Storage class3 Flammable liquids
      WGKWGK 1 slightly hazardous to water
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Categories of dangerflammable
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at <= 20°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1993 , 3, II
      Declaration (transport by air) IATA-DGRUN 1993 , 3, II
      Declaration (transport by sea) IMDG-CodeUN 1993 , 3, II
      Supplemental Information
      Assay (GC, area%)≥ 97.0 % (a/a)
      Density (d 20 °C/ 4 °C)0.894 - 0.896
      Identity (IR)passes test
      Global Trade Item Number
      Catalog Number GTIN
      8188190250 04022536446349

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