Dipotassium hydrogenphosphate(DKP)
Basic Information:
CAS NO.7758-11-4
Chemicals formula:K2HPO4/K2HPO4.3H2O
Molecular weight:174.17/228.22
Character:white crystalline powder
Density（g/mL 25ºC）：2.44
Melting point:340℃
Solubleness:Soluble in water and slightly alkaline in aqueous solution. Slightly Soluble in alcohol.
Techical Index(Mass Fraction/%)
|
Items |
Industrial grade |
|
|
Anhydrous |
Trihydrate |
|
|
Main Assay ≥ |
98.0 |
97.0 |
|
Phosphorus Pentoxide（Calculated as P2O5 ） ≥ |
40.0 |
30.2 |
|
Water insoluble ≤ |
0.01 |
0.02 |
|
Heay Metal(Calculated as Pb)≤ |
|
0.005 |
|
Potassium Oxide(Calculated as K2O)≥ |
53.0 |
40.0 |
|
Chloride(Calculated as Cl) ≤ |
|
0.05 |
|
PH Value(10g/l solution) |
|
9.0-9.4 |
|
Iron(Calculated as Fe) ≤ |
|
0.003 |
|
Arsenic (Calculated as As) ≤ |
|
0.01 |
Uses:
Mainly used in boiler water treatment, medicine and fermentation, the industrial used for phosphorus, potassium regulator, bacteria culture, is a raw material for producing potassium pyrophosphate can be used as a liquid fertilizer, ethylene glycol antifreeze buffer, feed grade is used as feed supplements, in food fermentation, seasoning, raising agent, buffer, mildly alkaline agent of dairy products.
Package/Capacity of container/Storage
Packing: net 25kg each bag within plastic.
Store in ventilated dry place.