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 |
