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Home > Organosilicon Compounds> [[(dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilicon
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[[(dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilicon

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Origin: China

Cas No: 1000-05-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 1000-05-1 Formula: C8H26O3Si4 Molecular Weight: 282.63200

    Basic Info

    Chemical Name [[(dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilicon
    Synonyms

    1,1,3,3,5,5,7,7-Octamethyltetrasiloxane;
    Octamethyltetrasiloxane;
    EINECS 213-669-0;
    1,1,3,3,5,5,7,7-Octamethyl-tetrasiloxan;
    dihydro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane;
    Tetrasiloxane,1,1,3,3,5,5,7,7-octamethyl;

    CAS No. 1000-05-1
    Molecular Formula C8H26O3Si4
    Molecular Weight 282.63200
    PSA 27.69000
    LogP 2.40660

    Properties

    Boiling Point 169ºC
    Melting Point <0ºC
    Flash Point 77.8ºC
    Refractive Index 1.3875

    Safety Info

    HS Code 2934999090

    Synthesis Route

    (dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilicon+Hexamethylcyclotrisiloxane→1,1,3,3,5,5-Hexamethyltrisiloxane+[[(dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilicon
    (dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilicon+Hexamethylcyclotrisiloxane→1,1,3,3,5,5-Hexamethyltrisiloxane+[[(dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilicon
    (dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilicon→dimethylsilicon+PENTAMETHYLDISILOXANE

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Inhalation TCLo - Lowest published toxic concentration Rodent - rat 9 gm/m3/6H/4W-I 1.Liver-other changes
    2.Liver-changes in liver weight

    Precursor

    (dimethyl-λ<sup>3</sup>-silanyl)oxy-dimethylsilicon
    Chlorodimethylsilane
    chloro-[[[chloro(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane
    octamethylcyclotetrasiloxane

    Downstream Product

    1,1,3,3,5,5-Hexamethyltrisiloxane
    dimethylsilicon
    Hexamethylcyclotrisiloxane

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