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SODIUM ACID PYROPHOSPHATE

1、Chemical Name: Sodium Acid Pyrophosphate

2、Molecular Formula: Na2H2P2O7

3、Molecular Weight: 221.94

4、CAS: 7758-16-9

5、Character: It is white crystalline powder. Relative density is 1.862. It’s soluble in water, insoluble in ethanol. Aqueous solution is alkaline. It reacts with Fe2+ and Mg2+ to form chelates.

6、Usage: In food  industry, it is used as buffering agent, swelling agent, chelating agent, stabilizer, emulsifier and color improver.

7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances. 

Specification                                                                      FCC
Content(Na2H2P2O7),w/%                                                                93.0~100.5
Arsenic ,mg/kg                                                                            3
Fluoride,mg/kg                                                                           50
Heavy Metals (Pb),mg/kg                                                                         10
Water Insolubles,w/% ≤                                                                  1.0
Lead,mg/kg                                                                       2
pH Value 10g/L                                                            4.0±0.5

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