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Home > Organosilicon Compounds> 2,2,4,4,6,6,8,8-octaethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
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2,2,4,4,6,6,8,8-octaethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

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Origin: China

Cas No: 1451-99-6

Specification: 99%min

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Supply Ability: 80 mt/month

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 1451-99-6 Formula: C16H40O4Si4 Molecular Weight: 408.82800

    Basic Info

    Chemical Name 2,2,4,4,6,6,8,8-octaethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
    Synonyms

    Cyclotetrasiloxane,2,2,4,4,6,6,8,8-octaethyl;
    Octaethylcyclotetrasiloxan;
    Octaethylcyclotetrasiloxane;
    Octaaethylcyclotetrasiloxan;
    Cyclotetrasiloxane,octaethyl;

    CAS No. 1451-99-6
    Molecular Formula C16H40O4Si4
    Molecular Weight 408.82800
    PSA 36.92000
    LogP 5.99440

    Properties

    Density 0.92g/cm3
    Boiling Point 329.9ºC at 760mmHg
    Flash Point 139.1ºC
    Refractive Index 1.44
    Vapor Pressure 0.000331mmHg at 25°C

    Synthesis Route

    Dichlorodiethylsilane→2,2,4,4,6,6-hexaethyl-1,3,5,2,4,6-trioxatrisilinane+2,2,4,4,6,6,8,8-octaethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
    Dichlorodiethylsilane→2,2,4,4,6,6-hexaethyl-1,3,5,2,4,6-trioxatrisilinane+2,2,4,4,6,6,8,8-octaethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
    chlorotrimethylsilane+Dichlorodiethylsilane→2,2,4,4,6,6-hexaethyl-1,3,5,2,4,6-trioxatrisilinane+3,3,5,5-tetraethyl-1,1,1,7,7,7-hexamethyl-tetrasiloxane

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Oral LD - Lethal dose Rodent - rat >20 gm/kg 1.Details of toxic effects not reported other than lethal dose value
    Intraperitoneal LD - Lethal dose Rodent - rat >10 gm/kg 1.Details of toxic effects not reported other than lethal dose value
    Oral LD - Lethal dose Rodent - mouse >20 gm/kg 1.Details of toxic effects not reported other than lethal dose value

    Precursor

    tetrachloromethane
    Dichlorodiethylsilane
    Water
    chlorotrimethylsilane

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