| CAS No.: | CAS 7790-53-6 |
|---|---|
| Formula: | Ko3p |
| EINECS: | 32-212-6 |
| Composition: | Food Preservative |
| Type: | Food Preservative |
| Effect: | Food Preservative |
| Samples: |
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| Customization: |
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| {Product Name}: | Potassium Metaphosphate |
| {Other Name}: | N/A |
| {Test Method.}: | HPLC |
| {Appearence.}: | powder |
| {Specification}: | 99% |
| {MOQ}: | 1kg |
Product Description :
Potassium pyrophosphate, also known as tetra-sodium pyrophosphate, is made from the melting of di-potassium phosphate which causing it loss of one water molecule. At room temperature, it is as a white crystalline powder or granules and has a strong moisture absorption capability in air and is easily soluble in water but insoluble in ethanol. Its aqueous solution is alkaline and has effect on inhibition of food spoilage and fermentation. The pH of 1% aqueous solution is about 10.5. At about 25 ºC, the solubility of potassium pyrophosphate in 100g of water is 187g. It is hydrolyzed into potassium phosphate in acid or alkaline solution and can form a viscous-like slurry body when being mixed with water. It is mostly used in combination with other condensed phosphates, such as for the preparation of adhesive of ham and sausage in the ratio of 10% potassium pyrophosphate, 10% sodium pyrophosphate, 30% potassium polyphosphate, 30% sodium polyphosphate and 20% sodium metaphosphate. .
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