| Product name | Tera Potassium Pyrophosphate (TKPP) |
| CAS No. | 7320-34-5 |
| Grade | Tech. / Food |
| MSDS |
Chemical formula : K4P₂O7
Molecular Weight : 330.34
Standard executed : HG/T3591-2009 (TECH GRADE) ; GB25562-2010 (FOOD GRADE)
【Properties 】
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.
【Application】
In industry, it mainly applied to electroplating without cyanate, industries or housedhold detergent, 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. In food industry, emulsifiers, tissue improvers, chelators, quality improvers, etc are used in food processing.
【Packing and storage】
In 25KG, 50KG, 1000KG net bags, stored at a cool, dry and well ventilated place.
【Technical Data 】
|
ITEMS |
TECH GRADE SPECIFICATION |
FOOD GRADE SPECIFICATION |
|
Assay K4P₂O7 % ≥ |
98.0 |
98.0 |
|
Water Insoluble Matter % ≤ |
0.1 |
0.1 |
|
Iron, Fe % ≤ |
0.05 |
0.03 |
|
Heavy Metal, as Pb % ≤ |
|
0.001 |
|
Arsenic, as As % ≤ |
|
0.0003 |
|
pH value (1% water solution) |
|
10.0-10.7 |
|
Ortho Phosphate |
|
Pass test |
