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814051 Hexamethyldisiloxane

Hexamethyldisiloxane for synthesis. CAS 107-46-0, EC Number 203-492-7, chemical formula ((CH₃)₃Si)₂O.

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

Synonyms: 2,2,4,4-Tetramethyl-3-oxa-2,4-disilapentane, HMDSO

CAS #: 107-46-0 EC Number: 203-492-7 Molar Mass: 162.38 g/mol Chemical Formula: ((CH₃)₃Si)₂O Hill Formula: C₆H₁₈OSi₂
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814051
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
107-46-0203-492-7C₆H₁₈OSi₂((CH₃)₃Si)₂O162.38 g/mol

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      Description
      Catalogue Number814051
      Synonyms2,2,4,4-Tetramethyl-3-oxa-2,4-disilapentane, HMDSO
      DescriptionHexamethyldisiloxane
      References
      Product Information
      CAS number107-46-0
      EC number203-492-7
      Hill FormulaC₆H₁₈OSi₂
      Chemical formula((CH₃)₃Si)₂O
      Molar Mass162.38 g/mol
      HS Code2931 90 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Applications
      ApplicationHexamethyldisiloxane for synthesis. CAS 107-46-0, EC Number 203-492-7, chemical formula ((CH₃)₃Si)₂O.
      Biological Information
      Physicochemical Information
      Boiling point100 °C (1013 hPa)
      Density0.764 g/cm3
      Explosion limit0.5 - 21.8 %(V)
      Flash point-6 °C
      Ignition temperature340 °C
      Melting Point-59 °C
      Vapor pressure20 hPa (20 °C)
      Solubility0.00037 g/l insoluble
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat > 12160 mg/kg
      LD 50 dermalLD50 Rat > 2000 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Statement(s)H225: Highly flammable liquid and vapour.
      H410: Very toxic to aquatic life with long lasting effects.
      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.
      P273: Avoid release to the environment.
      P403 + P235: Store in a well-ventilated place. Keep cool.
      Signal WordDanger
      RTECSJM9237000
      Storage class3 Flammable liquids
      WGKWGK 2 obviously hazardous to water
      Disposal3
      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 dangerhighly flammable, dangerous for the environment
      Product Usage Statements
      Storage and Shipping Information
      StorageStore below +30°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
      Specifications
      Assay (GC, area%)≥ 98.5 % (a/a)
      Density (d 20 °C/ 4 °C)0.762 - 0.764
      Identity (IR)passes test
      Global Trade Item Number
      Catalogue Number GTIN
      8140510100 04022536405636

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