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dimethylsilanediol

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Origin: China

Cas No: 1066-42-8

Specification: 99%min

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 1066-42-8 Formula: C2H8O2Si Molecular Weight: 92.16920

    Description

    1,1-Dimethylsilanediol is the monomer of an important class of of commercial compounds called PDMS. Dimethylsilanediol is useful as a hydrophobization of oxidized silicon and other oxidized metal surfaces and compare the wetting properties of modified solids with those of conventionally modified surfaces.

    Basic Info

    Chemical Name dimethylsilanediol
    Synonyms

    Silanediol,1,1-dimethyl;
    Dihydroxydimethylsilane;
    dimetyhsilanediol;
    (CH3)2Si(OH)2;
    dihydroxy(dimethyl)silane;
    dimethyl dihydroxy silane;
    Si(OH)2Me2;
    dimethyl siloxane;
    Silanediol,dimethyl;
    DIMETHYLSILANEDIOL;
    1,1-Dimethylsilanediol;

    CAS No. 1066-42-8
    Molecular Formula C2H8O2Si
    Molecular Weight 92.16920
    PSA 40.46000
    LogP -0.32720

    Properties

    Density 0.998g/cm3
    Boiling Point 122.2ºC at 760mmHg
    Flash Point 27.7ºC
    Refractive Index 1.414
    Vapor Pressure 6.73mmHg at 25°C

    Safety Info

    HS Code 2931900090

    Synthesis Route

    Trimethylsilanol→dimethylsilanediol+methylsilanetriol
    hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane→dimethylsilanediol+bis[[hydroxy(dimethyl)silyl]oxy]-dimethylsilane
    hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane→dimethylsilanediol+bis[[hydroxy(dimethyl)silyl]oxy]-dimethylsilane

    Precursor

    Dimethoxydimethylsilane
    Dichlorodimethylsilane
    hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane
    Diethoxydimethylsilane

    Downstream Product

    bis[[hydroxy(dimethyl)silyl]oxy]-dimethylsilane
    methylsilanetriol
    hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane
    Hexamethylcyclotrisiloxane

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