Product Name: Potassium Pyrophosphate（TKPP)
Molecular formula: K4P2O7(1)(1).jpg)
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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