日韩人妻无码一区二区三区综合部,久久久一本精品99久久精品,关晓彤国产精品换脸

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            1. Product
               

              Succinic Acid

               

               

              Additional name:

               

               

              Additional name:

              CAS: 110-56-6
              Molecular formula: HOOC(CH2)2COOH             C4H6O4

              Structure type:

              Molecular weight: 118.09
              Properties: white granules or flakes. Soluble in water; slightly soluble in ethanol, ethyl ether, acetone and glycerin; almost insoluble in benzene, CS2, CCl4 and petroleum ether. mp185, bp235 (dec.),d 1.56.
              Precaution: Succinic acid is irritating to eye, skin and mucosa. Wash with large amount of water in case of eye contact.
              Use: as alanytical reagent; in electroplating; in manufacturing drug, dye, fragrance, plastic, resin, etc.
              Packaging & Storage: plastic lined woven bag, net weight 25kg. Store in a cool dry place.


              Specification:
               

               
              A.R.
              C.P.
              Food grade
              Tech. grade
              Assay %
              99.5
              99.5
              99.0
              99.0
              mp℃
              184-187(1.5)
              183-187(2)
              l84-187
              185-190
              Clarity
              pass
              pass
               
               
              Water insoluble substances %
              0.002
              0.005
              0.01
              0.02
              Residue on ignition %
              0.01
              0.02
              0.02
              0.025
              Chloride (Cl) %
              0.0005
              0.001
              0.001
              0.001
              Nitrogen (N) %
              0.002
              0.005
              0.001
              0.005
              Sulfate (SO42) %
              0.001
              0.002
              0.002
              /
              Phosphate (PO4) %
              0.001
              0.002
              0.002
              /
              Iron (Fe) %
              0.0005
              0.004
              0.0005
              0.001
              Heavy metal (Pb) %
              0.0005
              0.002
              0.001
              0.001
              KMnO4 test (0.1N ml/g)
              0.05
              0.01
              1.0
              1.0
              Arsenic (As) %
              /
              /
              0.0003
              0.001





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              日韩人妻无码一区二区三区综合部,久久久一本精品99久久精品,关晓彤国产精品换脸