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1. Chemical Name: Sodium Acid Pyrophosphate
2. Formula: Na2H2P2O7
3. Molecular Weight: 221.94
4. Specificity: White, crystalline powder or granules. It is soluble in water, pH of 1% is about 4. It may contain a aluminum and/or calcium salt to control the of reaction in leavening systems.
5. Quality Standard:
6. Usage: It acts as a buffer, leaven, modifier, emulsifier, nutrient and canning preservative in foods.
7. Packing: 25kgs net paper or plastic woven bags.
8. Storage and Transport: It should be stored in a dry, ventliative and clean warehouse; Kept away from moisture and hot, Furthermore, it should be stored separately from poisonous Substances.

Name of index FCC-V
Assay (As Na2H2P2O7)         % 93.0-100.5
Arsenic,                      % =0.0003
Fluoride,                     % =0.005
Lead,                        % =0.0002
Insoluble Substances,           % =1.0