1、Chemical Name: Potassium Pyrophosphate; Tetrapotassium Pyrophosphate
2、Molecular Formula: K₄P₂O₇
3、Molecular Weight: 330.34
4、CAS: 7320-34-5
5、Character: White powder, the relative density is 2.534g/cm³ and melting point is 1109℃. It easily absorbs moisture and deliquesces, easily soluble in water and insoluble in ethanol.
6、Usage: It is used as emulsifier, quality modifier and chelating agent. It is also used in keeping fresh and improving quality of aquatic products. It can increase the swelling of ice cream, improve the flavor of cakes and pastries and prevent the cheese from aging, electroplating surface treatment, detergent, buffer and dispersant.
7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the 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 |
GB1886.340-2021 |
FCC VII |
| Content (On dry basis), w/% ≥ |
95.0 |
95.0 |
| Burn reduction, w/% ≤ | 0.5 |
0.5 |
|
Fluorides (F), mg/kg ≤ |
10.0 |
10.0 |
| Lead (Pb), mg/kg ≤ |
2.0 |
2.0 |
| Water insolubles, w/% ≤ |
0.1 |
0.1 |
| Arsenic (As), mg/kg ≤ |
3.0 |
3.0 |
| Heavy metal (as Pb), mg/kg ≤ |
10.0 |
— |
| pH (10g/L Solution) |
10.5±0.5 |
— |
