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      disodium dihydrogen pyrophosphate

      Update: 2013/10/14 View:
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      Introduction
       

      Chemical Name:

      disodium dihydrogen pyrophosphate , Sodium acid pyrophosphate

      Molecular Formula:

      Na2H2P2O7

      Molecular Weight:

      221.94

      CAS:

      7758-16-9

      Character:

      hite monoclinic system crystalline powder or fused mass. It has accessibility. Easily soluble in water, insoluble in ethanol.

      Uses:

      In food processing industry, it is used as buffering, swelling agent, chelae agent, stabilizers, emulsifier, and color improver.

      Packing:

      It is packed with polyethylene bag as liner and a compound paper-plastic woven bag as the outer layer. The net weight of each bag is 25kg.

      Storage & Transportation:

      It should be stored in a dry and ventilate warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances. Unload with care as to avoid damage to packing.

      Quality index:

      Name of index

      FCC-V

      GB25567-2010

      Content (as Na2H2P2O7) ≥ %

      93.0-100.5

      93.0-100.5

      Water Insoluble% ≤%

      1.0

      1.0

      PH (1% aqueous solution)

      -

      3.5-4.5

      Arsenic(As), % ≤

      0.0003

      0.0003

      Heavy Metals (as Pb), %≤

      -

      0.001

      Fluoride(F), % ≤

      0.005

      0.005

      Pb  % ≤

      0.0002

      0.0002