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Tetra Potassium Pyrophosphate(TKPP)

 

Product name: Tetrapotasium pyrophosphate 
Molecular formula: K4P2O7 
Molecular weight: 330.34 
CAS Number: 7320-34-5
Properties: 
Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm3 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.
Specifications:

NO	Specifications	Industrial Grade	Food Grade
1	Appearance	White powder or granular
2	Assay                         % ≥	96.0	96.0
3	Iron(Fe)                       % ≤	0.03	0.03
4	Water insoluble matter % ≤	0.1	0.1
5	Heavy Metals,as Pb     % ≤	0.001
6	Arsenic(As)                   % ≤	0.0003
7	PH Value	10.0-10.7
8	Ortho Phosphate	Pass test

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,20mt/FCL. It must be stored in places well ventilated and dry.