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Início > Organosilicon Compounds> 2,2,4,4,6,6-hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
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2,2,4,4,6,6-hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

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Origem: China

Cas No: 1693-44-3

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 100 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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  • Especificação de produtos
  • Descrição do produto

  • Property

    CAS No.: 1693-44-3 Formula: C18H28O4Si4 Molecular Weight: 420.75500

    Basic Info

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

    Cyclotetrasiloxane,2,2,4,4,6,6-hexamethyl-8,8-diphenyl;
    1,1-diphenyl-3,3,5,5,7,7-hexamethyltetracyclosiloxane;
    2,2,4,4,6,6-hexamethyl-8,8-diphenyl-cyclotetrasiloxane;
    2.2.4.4.6.6-Hexamethyl-8.8-diphenyl-cyclotetrasiloxan;
    2,2,4,4,6,6-Hexamethyl-8,8-diphenyl-[1,3,5,7,2,4,6,8]cyclotetrasiloxane;
    1,1-diphenylhexamethylcyclotetrasiloxane;
    Diphenyl-D4;
    1,1-diphenyl-3,3,5,5,7,7-hexamethylcyclotetrasiloxane;
    EINECS 216-895-8;

    CAS No. 1693-44-3
    Molecular Formula C18H28O4Si4
    Molecular Weight 420.75500
    PSA 36.92000
    LogP 3.42840

    Properties

    Density 1.06g/cm3
    Boiling Point 353.9ºC at 760mmHg
    Flash Point 146ºC
    Refractive Index 1.513
    Vapor Pressure 7.1E-05mmHg at 25°C

    Safety Info

    HS Code 2916399090

    Synthesis Route

    1,1,3,3,5,5-Hexamethyltrisiloxane+Diphenylsilanediol→2,2,4,4,6,6-hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
    octamethylcyclotetrasiloxane+Dimethoxydiphenylsilane→2,2,4,4,6,6-hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane+Cyclopentasiloxane, octamethyldiphenyl-
    Hexamethylcyclotrisiloxane+Dimethoxydiphenylsilane→2,2,4,4,6,6-hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane+diphenyl-bis(trimethylsilyloxy)silane

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary Methyl Silicone - 1883. temperature ramp

    Precursor

    Diphenylsilanediol
    1,1,3,3,5,5-Hexamethyltrisiloxane
    Dimethoxydiphenylsilane
    octamethylcyclotetrasiloxane

Hot tags: 2,2,4,4,6,6-hexamethyl-8,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane, China, fabricantes, fornecedores, fábrica, atacado, baixo preço, alta qualidade
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