Chemical Name：Tetra Potassium Pyrophosphate

　　Synonyms：Tetra potassium pyrophosphate

　　Molecular formula: K4P2O7

　　Standard executed: GB 25562—2010

　　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.

　　Application:

　　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.

　　Packaging :

　　25KG, inner plastic and outer plastic or paper.

　　Guaranteed Technical Specifications:

No.	Specifications	Unit	Food Grade
1	Appearance		white powder or white granular
2	K4P2O7	%	≥96.5
3	Iron(Fe)	PPM	≤10
4	Water insoluble matter	%	≤0.1
5	Heavy Metals, (as Pb)	PPM	≤10
6	Arsenic(As)	PPM	≤3
7	F	PPM	10
8	PH Value		10.5±0.5
9	PB	PPM	4
10	Ortho Phosphate		PASS
9	Bulk density	g/ml	0.6
10	granularity		Powder

　　And other performance indicators or have special requirements, please contact the relevant companies.

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