TETRA POTASSIUM PYROPHOSPHATE(TKPP)

Molecular formula: K₄P₂O₇
Molecular weight: 330.34
Properties:
Anhydrous tetra potassium phosphate is in white powder. Relative density 2.3534 and melting point 1109; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.
Uses :
It mainly applied to electroplating without cyanate, industrial or household detergents; It can used as a buffering reagent as well as stabilizer for hydrogen peroxide; It can also be used as dispersion agent for ceramic, clay, latex and pigments etc.
Packing and storage:
I Packed in 25 Kg, 50 Kg or 1000 Kg net bags. It must be stored in places well ventilated and dry.
Guaranteed Technical Specifications:

Indexes	Super Grade	1st Grade	Food Grade
Appearance	White powder or lumps
Assay% ≥	96.0	95.0	96.0
Iron(Fe) % ≤	0.03	0.05	0.03
Water insoluble matter % ≤	0.1	0.2	0.1
Heavy Metals(as Pb)% ≤			0.001
Arsenic(As)% ≤			0.0003
PH Value	10.0-10.7
Ortho Phosphate	Pass test