Detail

Potassium Pyrophosphate (TKPP)

Product Name: Potassium Pyrophosphate(TKPP)
Molecular formula: K4P2O7

Molecular weight: 330.34
CAS NO.: 7320-34-5
HS CODE: 28353990
Properties: 
potassium phosphate is in white powder. Relative density 2.534 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 Electron Grade:HG/T 3591-1999

INSPECT ION ITEM UNIT ELECTRON GRADE
Assay(K4P2O7) ≥% 98.0
Iron ≤% 0.01
Insoluble matter in water ≤% 0.10
PH Value - 10.5±0.5
Heavy Metals(as Pb) ≤% 0.003
rtho Phosphate   Pass test

Specifications Industrial Grade:ZB/TG 12006-88

INSPECT ION ITEM UNIT FINE GRADE FIRST GRADE REGULAR GRADE
Assay(K4P2O7 ≥% 96.0 95.0 94.0
Iron ≤% 0.03 0.05 0.10
Insoluble matter in water ≤% 0.10 0.20 0.25
PH Value - 10.0-10.7
Phosphate   Pass test

 

Packing : 
25kgs woven bag lined with plastic bag or the demanding of customer.
Storage and transport:
It should be stored in a dry .ntilative and clean warehouse; kept away from moisture and hot, Furthermore, it should be stored separately from poisonous substances.
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.





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