Chemical Name: Sodium Pyrophosphate
1. Formula: Na4P2O7, Na4P2O7, 10H2O
2. Molecular weight: 265.90, 446.06
3. Specificity: Colorless or white crystals, crystalline or granular powder. It is easily soluble in water, but is insoluble in alcohol. Density: 2.45, relative density: 2.45, melting point: 890? . The decahydrate effloresces slightly in dry air. pH of 1% solution is about 10.
4. Quality Standard:
5. Usage: It is mainly used as detergent, electroplating ect. For food grade it is mainly used as emulsifier, buffer, nutrient, sequestrant, texturizer ect.
6. Packing: 25kgs net paper or plastic woven bags.
7. Storage and Transport: It should be stored in a dry, ventilative and clean warehouse kept away from moisture and hot, Furthermore, it should be stored separately from poisonous Substances.
Name of index | FCC-V |
Assay(On the lgnhed basls), % | >=98.0 |
Arsenlc, % | =0.0003 |
Leed, % | =0.005 |
Fluoride, % | =0.2 |
Insoluble subslances, % | =0.0004 |
Loss on lgnition Anhydrous % | =5.01 |
Decahydrate % | =18.0~22.0 |