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    CAS NO.: 130-13-2 Dyes Intermediate Sodium Naphthionate

    CAS NO.: 130-13-2 Dyes Intermediate Sodium Naphthionate

    offwhite crystal, Sodium-1-Naphthylamine-4-Sulfonate / Sodium Naphthionate

    Description

    Product Name: Sodium-1-Naphthylamine-4-Sulfonate / Sodium Naphthionate

    Structural Formula: 
    Molecular Formula: 
    N10H8O3 NSNa

    Formula Weight: 245.23 
    Standard: HG/T 3387—1999

    CASNo.: 130-13-2 
    EINECS No.: 204-975-5

    Properties & Use: offwhite crytal, will gradually turn rosy air, easily soluble in water, insoluble in ethanol. Mainy used as intermediate of azo dyes. 

    Quality Spec.:

     

    Item

     

    Details

    Best   Quality

    First   Quality

    Appearance

    offwhite   crystal

    offwhite   crystal

    Total amino   value (%)

    ≥ 75.0

    ≥ 74.0

    1-naphthylamine(%)

    ≤ 0.02

    ≤ 0.02

    Insol. in   water(%)

    ≤ 0.10

    ≤ 0.20

    Packing: In woven bag lined with double-layer plastic film. Net wt.: Domestic sale--50Kg/bag; export--25Kg/bag. 

    Storage: Avoid sunlight or dampness, stored in dry and draughty place.


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