Chemical Name: Tetra Sodium Pyrophosphate
Formula: Na4P2O7 , Na4P2O7·10HO
Molecular weight:265.90,446.06
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°C. The decahydrate effloresces slightly in dry air. PH of 1% solution is about 10.
Quality Standard:
Name of index | FCC-V |
Assay(On the ignited basis),≥% | 95.0-100.5 |
Arsenic,≤% | 0.0003 |
Lead,≤% | 0.0004 |
Fluoride,≤% | 0.005 |
Insoluble substances ,≤% | 0.2 |
Loss on IgnitionAnhydrous≤% | 0.5 |
Decahydrate≤% | 38.0-42.0 |
Usage:It is mainly used as detergent, electroplating etc. For food grade it is mainly used as emulsifier, buffer,nutrient, sequestrant, texturizer etc. 7.Packing: 25kgs net paper or plastic woven bags.
Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
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.
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