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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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