DIPOTASSIUM PHOSPHATE
1、Chemical Name: Dipotassium Phosphate
2、Molecular Formula: K2HPO4 ; K2HPO4· 3H2O
3、Molecular Weight: Anhydrous:174.178 ; Trihydrate:228.238
4、CAS: Anhydrous: 7758-11-4 ; Trihydrate:16788-57-1
5、Character: It is colorless or white square crystal powder or particle, easy deliquescence, alkaline insoluble in ethanol,
The relative density is 2.44 g/cm³, 1% aqueous pH value of about 9. It has hygroscopic properties.
6、Usage: In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of
anti-oxidation.
|
Specification
|
GB 1886.334-2021
|
FCC VII
|
|
|
Content(On dry basis), w/% ≥
|
98.0
|
98.0
|
|
|
Arsenic(As),mg/kg ≤
|
3.0
|
3.0
|
|
|
Fluoride(as F),mg/kg ≤
|
10.0
|
10.0
|
|
|
Heavy metal(as Pb),mg/kg ≤
|
10.0
|
———
|
|
|
Insoluble substances(On dry basis),w/%≤
|
0.2
|
0.2
|
|
|
Lead (Pb),mg/kg ≤
|
2.0
|
2.0
|
|
|
Loss on drying,w/%
|
K2HPO4 ≤
|
2.0
|
2.0
|
|
Loss on drying,w/%
|
K2HPO4·3H2O
|
22.0-26.0
|
———
|
|
pH value (10g/L Solution )
|
9.0±0.4
|
———
|
|
7、Packing: It is packed with a polyethylene bag as the inner layer, and a compound plastic woven bag as outer layer. The
net weight of each bag is 25kg.
8、Storage & Transportation: 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.
