| ≥1 piece |
1)Strict quality contral and best price.
2)be exported to more than 50 countries.
3) On time service
4)A high degree of cred
Synonyms:Potassium diphosphate; Tetrapotassium pyrophosphate
Molecular Formula:K 4 P 2 O 7
Molecular Weight:330.33
CAS Registry Number: 7320-34-5
EINECS:230-785-7
Relative density 2.534 g/cm3and 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.
Specifications:
| Product name | potassium pyrophosphate |
| Items | Specifications |
| Assay(K2HPO4) | 98.0% Min. |
| Water Insoluble | 0.2% Max. |
| Arsenic | 0.0003% Max. |
| Heavy Metals | 0.001% Max. |
| Pb | 0.002% Max. |
| Fluoride | 0.001% Max. |
| Loss on Drying | 2.0% Max. |
Packing:25KG,inner plastic and outer plastic or paper.
Storage:be preserved in shady,cool and dry place,keep away from sunlight and heat.
Shelf life:18months
| Type: Stabilizers |