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800658 Tetraethyl orthosilicate

Tetraethyl orthosilicate for synthesis. CAS 78-10-4, EC Number 201-083-8, chemical formula (C₂H₅O)₄Si.

Tetraethyl orthosilicate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Tetraethoxysilane

CAS #: 78-10-4 EC Number: 201-083-8 Molar Mass: 208.33 g/mol Chemical Formula: (C₂H₅O)₄Si Hill Formula: C₈H₂₀O₄Si
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800658
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
78-10-4201-083-8C₈H₂₀O₄Si(C₂H₅O)₄Si208.33 g/mol

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      Description
      Catalogue Number800658
      SynonymsTetraethoxysilane
      DescriptionTetraethyl orthosilicate
      References
      Product Information
      CAS number78-10-4
      EC index number014-005-00-0
      EC number201-083-8
      Hill FormulaC₈H₂₀O₄Si
      Chemical formula(C₂H₅O)₄Si
      Molar Mass208.33 g/mol
      HS Code2920 90 70
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Applications
      ApplicationTetraethyl orthosilicate for synthesis. CAS 78-10-4, EC Number 201-083-8, chemical formula (C₂H₅O)₄Si.
      Biological Information
      Physicochemical Information
      Boiling point168.0 °C (1013 hPa)
      Density0.94 g/cm3 (20 °C)
      Explosion limit1.3 - 23 %(V)
      Flash point45 °C
      Ignition temperature230 °C
      Melting Point-82.5 °C
      Vapor pressure<1 hPa (20 °C)
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 6270 mg/kg
      LD 50 dermalLD50 Rabbit 5860 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Statement(s)H226: Flammable liquid and vapour.
      H319: Causes serious eye irritation.
      H332: Harmful if inhaled.
      H335: May cause respiratory irritation.
      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.
      P304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
      P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
      Signal WordWarning
      RTECSVV9450000
      Storage class3 Flammable liquids
      WGKWGK 1 slightly hazardous to water
      Disposal9
      Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
      Safety Information
      Categories of dangerflammable, harmful, irritant
      Product Usage Statements
      Storage and Shipping Information
      StorageStore below +30°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1292 , 3, III
      Declaration (transport by air) IATA-DGRUN 1292 , 3, III
      Declaration (transport by sea) IMDG-CodeUN 1292 , 3, III
      Supplemental Information
      Specifications
      Color according to color reference solution Ph.Eur.colorless liquid
      Assay (GC, area%)≥ 99.5 % (a/a)
      Density (d 20 °C/ 4 °C)0.932 - 0.934
      Identity (IR)passes test
      Global Trade Item Number
      Catalogue Number GTIN
      8006581000 04022536361482

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