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     Hydroquinone 

    Hydroquinone

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    99.9% Imported 25kg/bag35000
    Product name: Hydroquinone
    Alias: 1,4-Benzenediol; Quinol; Hydroxyquinone; 1,4-Dihydroxybenzene; benzene-1,4-diol; p-hydroquinone
    Technical Specification Code: 738
    CAS No.: 123-31-9
    Molecular formula: C6H6O2
    Molecular weight: 110.11
    Main component: Pure product  
    Appearance and properties: White crystal.   
    pH:Melting point (οC): 170.5   
    Boiling point (οC): 285   
    Relative density (water=1): 1.33   
    Relative vapor density (air=1): 3.81   
    Saturated vapor pressure (kPa): 0.13(132.4οC)   
    Heat of combustion (kJ/mol): 2849.8   
    Critical temperature(οC): 549.9   
    Critical pressure (MPa): 7.45   
    Octanol/water partition coefficient logarithm value: 0.59
    Main use: Preparation of black-and-white developer, anthraquinone dyes, azo dyes, rubber antioxidant, stabilizers and antioxidants.


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