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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 29
          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
          8140510500 04022536405643

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