

Sodium pyrophosphate as a white powder or crystal. The relative density of 2.534, soluble in water. The disodium hydrogen phosphate formed by melt water pyrophosphate dehydrated, soluble in water crystallization in the system. Widely used in food, electroplating, printing and dyeing, paper making, daily chemical and other industries. Used as a hair bleaching agent, dispersing agent, emulsifier, quality modifier, buffer, chelating agents and so on.
Sodium pyrophosphate
CAS No:7722-88-5
Einecs No:231-767-1
Specification:97.5% -100.5%
Routine Packing:25kg/bag
Place of origin:China
QC:Haccp, Kosher, Hala
Payment terms:T/T or L/C
Port of dispapch:Shanghai,Tianjin,Qingdao
Applications:Sodium pyrophosphate used in the food flavor beverages, cooked meat, canned food, grains products, bread, cookies, ice cream and dairy products.
Item |
Specification |
Name |
Sodium pyrophosphate |
Assay |
97.5% -100.5% |
Chemical Formula |
Na4P2O7 |
Insoluble in water % |
0.02 |
PH (1%) |
10.4 |
Fluor (AS F) |
<10 ppm |
Residue on ignition % |
0.1 |
Orthophosphate |
Approved |
Heavy metal(AS Pb) |
<10 ppm |
Arsenic(AS AS) |
<2 ppm |
Sodium pyrophosphate purposes:
Sodium pyrophosphate in the electroplating industry for the preparation of plating solution, to form a network station and iron objects. Sodium pyrophosphate wool in the wool industry as a degreasing agent and hair bleaching agent. Sodium pyrophosphate in the paper industry for bleaching paper and plant fibers. Sodium pyrophosphate in the dyeing industry, as dyeing, bleaching, when the fine additives. 7722-88-5 toothpaste additive used in the Japanese chemical industry, with the formation of dicalcium phosphate gel and play a stabilizing role, can also be used for production of synthetic detergent shampoo and ointment products. Sodium pyrophosphate in machining as a rust remover. Chemical production as a dispersant and emulsifier. Can also be used for water treatment chemicals, oil drilling, etc.,Sodium pyrophosphate in the food industry as a quality improver, emulsifier, buffer, chelating agents and so on.
Sodium pyrophosphate has softened the features, can be dissolved calcium and magnesium insoluble salts, such as clothing fibers, mixed live insoluble calcium soap or metal soap formation of dirt, Sodium pyrophosphate can make it then dissolved and to improve cleaning ability. In addition,Sodium pyrophosphate have anti-flocculation, so that oil from the emulsion, which is called peptization nature. Surfactant solution can also further reduce the surface tension and interfacial tension, play a role in washing to help wash.

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