Tetrapotassium Pyrophosphate CAS 7320-34-5

Tetrapotassium Pyrophosphate CAS 7320-34-5

Potassium pyrophosphate is mainly used for cyanide-free electroplating, replacing sodium cyanide as a complexing agent for electroplating. In the food industry it can be used as an emulsifier, tissue improver, chelating agent.
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Product Details

 

Product name:  
Tetrapotassium Pyrophosphate
Molecular Formula:
K4P2O7
CAS No.:
7320-34-5


Description

Potassium Pyrophosphate occurs as colorless or white crystals or as a white, crystalline or granular powder. It is hygroscopic. It is very soluble in water, but is insoluble in alcohol. The pH of a 1:100 aqueous solution is about 10.5.

 

Applications

Potassium pyrophosphate, also known as tetrapotassium pyrophosphate. It is a white crystalline powder or granule at room temperature. It has strong hygroscopicity in the air and is easily soluble in water. But it is insoluble in ethanol, and the aqueous solution is alkaline, which has the effect of inhibiting food spoilage and fermentation. The pH value of 1% aqueous solution is about 10.5. The solubility of potassium pyrophosphate in 100g of water at 25°C is 187g, and it is hydrolyzed into Potassium phosphate, mixed with water to form a viscous slurry. It is often used in combination with other condensed phosphates, such as 10% potassium pyrophosphate, 10% sodium pyrophosphate, 30% potassium polyphosphate, 30% sodium polyphosphate, and 20% sodium metaphosphate to make ham and sausage bonding. It is usually used to prevent struvite from canned aquatic products, prevent discoloration of canned fruits, it could increase the swelling degree of ice cream.And Potassium pyrophosphate is the extraction of coffee raw materials, in could enhance the water retention of fish, and improve the taste of noodles and increase the yield etc. Potassium pyrophosphate has all the properties of other polymeric phosphates, similar to sodium pyrophosphate, but has greater solubility and can chelate with alkaline earth metals and heavy metal ions.


Specification

Appearance
Colorless or white crystals or white, crystalline or granular powder
Assay 
≥95.0%
Arsenic
≤3ppm
Fluoride
≤10ppm
Insoluble substances
≤0.1%
Lead 
≤2ppm
Loss on Ignition
≤0.5%


Packing  

25kg/ bag or as per requirement.

 

Storage

Store in a cool dry place.

 

Minimum Order

1000kgs

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