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     Nadic anhydride

    Factory:Puyang Shenghuade Chemical Co.,Ltd
    Name:
    Nadic anhydride, Carbic anhydride, 5-Norbornene-2,3-dicarboxylic anhydride, 3,6-Endomethylene-1,2,3,6-tetrahydrophthalic anhydride
    Number:003
    CAS No:826-62- 0
    Molecular formula:C9H8O3 (164.16)
    Structural formula:
    Performance:White solid,Soluble in benzene, toluene, acetone, chloroform, etc., have deliquescence. Specific gravity:1.417.

    Quality indexes:(Enterprise indexes  ):

     

    Item

    Quality indexes

    Enterprise indexes

    appearance

    White solid

    White solid

    pure,%     

    ≥98

    ≥99

    Melting point (oC)   

    ≥160oC

    162--165oC

    Degree of color≤90# (APHA)

    ≤90#

    ≤90#

    Package:Packed in 25 kg polypropylene woven bags polyethylene lining or 50kg fiber can.
    Attention:Store in cool, dry places and keep away from fire and moisture.
    Applications:
    1. Used for unsaturated polyester resin to provide it with better air drying performance, heat resistance, smoothness, electrical property, corrosion resistance and mechanical strength than phthalic anhydride and THPA.
    2. Used for epoxy resin curing agents in casting, laminating and powder moulding, etc. The condensate is provided with excellent resistance to elements, heat resistance and electrical property.3. Used for modifying agents for alkyd resin, urea formaldehyde resin and melamine resin, etc.
    4. Used for insecticides, sulfuration regulators, plasticisers, surfactants, textile tiding up penetrants, etc.

     

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