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      Your Position: Home > Product > Potassium phosphates

      Dipotassium phosphate

      Update: 2013/10/14 View:
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      Introduction
       

      Chemical Name:

      Dipotassium phosphate

      Molecular Formula:

      K2HPO4, K2HPO4· 3H2O

      Molecular Weight:

      anhydrous: 174.18; trihydrate: 228.18

      CAS:

      anhydrous: 7758-11-4; trihydrate: 16788-57-1

      Character:

      It’s colorless or white square crystal granule, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.

      Uses:

      In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.

      Packing:

      It is packed with polyethylene bag as inner layer, 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 ventilating warehouse. Be cautious to keep away from moisture and hot; unloaded with care, so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.

      Quality index:

      Name of index

      GB 25560-2010

       FCC-V

      Appearance

      White Or Crystalline Powder

      --

      Content (on dried material)    ≥%

      98.0

      98.0

      Water-insoluble       ≤%

      0.2

       0.2

      Arsenic (As)          ≤%

      0.0003

      0.0003

      Fluoride (as F)        ≤%

      0.001

      0.001

      Loss on Drying        ≤%

      1.0

       1

      Pb                  ≤%

      0.0002

       0.0002

      Heavy Metals (as Pb)   ≤%

      0.001

      --

      P2O5                ≥

      51.17

      --

      K2O                ≥

      33.87

      --

      PH Value

      4.2-4.7

      --