Fengda Chemicals Corp.

Dipotassium Hydrogen Phosphate

Dkp; Potassium Phosphate

Molecular formula：K2HPO4.3H2O, K2HPO4

Molecular weight：228.22, 174.18

Property：White crystal or formless powder.

Usage：Used as a high efficient fertilizer, buffering agent, as feed additives, nutrient in microorganism cultures, buffer in chemical analysis, used in boiler water treatment.

Packing：Net each in 25kg plastic woven bag, lined with PE bag.

Specification：

Name	Industry grade	Food grade
Assay (K₂HPO₄.3H₂O)	98.0% Min.	98.0% Min.
PH value (1% solution )	9.0-9.4	8.6-9.4
PHOSPHORUS PENTOXIDE:（P₂O₅）	30.5% Min.	30.5% Min.
K₂O	40.5% Min.	40.5% Min.
Water insoluble matter	0.02% Max.	0.2% Max.
Chloride (CL ^- )	0.05% Max.	---------
Fluoride	-----------	0.001% Max.
Fe	0.003% Max.	----------
As	0.01% Max.	0.0003% Max.
Pb	0.005% Max.	0.001% Max.
Loss on drying	22%-26%	22%-26%


Name	Industry grade	Food grade
Assay (K₂HPO₄)	98.0% Min.	98.0% Min.
PH value (1% solution )	9.0-9.4	8.6-9.4
PHOSPHORUS PENTOXIDE:（P₂O₅）	40.0% Min.	40.0% Min.
K₂O	53.0% Min.	53.0% Min.
Water insoluble matter	0.02% Max.	0.2% Max.
Chloride (CL ^- )	0.05% Max.	---------
Fluoride	-----------	0.001% Max.
Fe	0.003% Max.	----------
As	0.01% Max.	0.0003% Max.
Pb	0.005% Max.	0.001% Max.
Loss on drying	2% Max.	2% Max.