| CAS No.: | 7320-34-5 |
|---|---|
| Formula: | K4P2O7 |
| EINECS: | 230-785-7 |
| Certification: | CIQ, ISO |
| Purity: | 98% |
| Type: | Potassium Phosphate |
| Samples: |
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| Customization: |
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Audited Supplier Specifications:
1.Chemical Formula:K4P2O7
2.Molecular Weight:330.33
3.Characteristics:Potassium pyrophosphate,also known as pyrophosphate,4 K, colorless or white crystals, or white crystalline granular or powder. It is hygroscopic.The relative density of 2.534.Melting point 1109ºC.Soluble in water,solubility 187g/100g water(25 ºC).Alkaline aqueous solution,1% aqueous solution of PH=10.2.Insoluble in ethanol.The properties are similar to other polyphosphate.
4.Technical Specifications:
| No. | Specifications | Industrial Grade | Food Grade |
| 1 | Potassium pyrophosphate(K4P2O4) | ≥ 98 | ≥ 98 |
| 2 | PH of 1% water solution | 10-10.5 | 10-10.5 |
| 3 | Phosphorus pentoxide(P2O5) | ≥ 42.2 | ≥ 42.2 |
| 4 | Water insoluble | ≤ 0.2 | ≤ 0.2 |
| 5 | Heave metals(as Pb) | ≤ 0.003 | ≤ 0.001 |
| 6 | Chloride(as Cl) | ≤ 0.005 | ≤ 0.001 |
| 7 | Ferrum(as Fe) | ≤ 0.01 | ≤ 0.003 |
| 8 | Arsenic(as As) | ≤ 0.005 | ≤ 0.0003 |
| 9 | Orthophosphate | Qualified |
Qualified |
5.Function: Manily used for cyanide-free plating complexing agent,metal surface cleaning agent,dye,dispersant and buffer.
6.Package:Plastic knit bag,as per client's requirement. N.W is 25 kgs/bag or 50 kgs/bag.
7.Storage ways:storage in ventilated and dry place.
8.Lead time:7 working days after receiving the deposit.ship by sea/air etc.
9.Payment terms:discussing with the clients.
Factory photos:
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