Chemical Name:
Dipotassium phosphate
Molecular Formula:
K2HPO4, K2HPO4· 3H2O
Molecular Weight:
anhydrous: 174.18; trihydrate: 228.18
CAS:
anhydrous: 7758-11-4; trihydrate: 16788-57-1
Character:
It’s colorless or white square crystal granule, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.
Uses:
In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.
Packing:
It is packed with polyethylene bag as inner layer, and a compound paper-plastic woven bag as the outer layer. The net weight of each bag is 25kg.
Storage & Transportation:
It should be stored in a dry and ventilating warehouse. Be cautious to keep away from moisture and hot; unloaded with care, so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.
Quality index:
Name of index
GB 25560-2010
FCC-V
Appearance
White Or Crystalline Powder
--
Content (on dried material) ≥%
98.0
Water-insoluble ≤%
0.2
Arsenic (As) ≤%
0.0003
Fluoride (as F) ≤%
0.001
Loss on Drying ≤%
1.0
1
Pb ≤%
0.0002
Heavy Metals (as Pb) ≤%
P2O5 ≥﹪
51.17
K2O ≥﹪
33.87
pH Value
4.2-4.7