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1.Chemical name:Disodium Dihydrogen Pyrophosphate ?¢ sodium acid pyrophosphate
2.M. F.: Na2H2P2O7
3.M. W. : 221.94
4.Physical properties: Monoclinic, white crystalline powder. Density 1.86. Practically insoluble in alcohol, soluble in water. Hydrolyzes to orthophosphate on heating in acid medium. Hygroscopic, forms hexahydrate in damp air. Decomposes to metaphosphate at above 220 ??
5.Quality standard:( FCC- ¢??¢ HG2928-1999)
Name of index
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FCC- ¢?
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HG2928-1999
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Content (as counted by Na2H2P2O7) ≥ %
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95.0
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95.0
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Water Insoluble% ≤%
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1.0
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1.0
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PH (1% aqueous solution)
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-
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3.5-4.5
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Arsenic(As),ppm, ≤
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3
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3
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Heavy Metals (as Pb),ppm, ≤
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20
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15
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Fluoride(F),ppm, ≤
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50
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50
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Pb ppm, ≤
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2
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-
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6.Usage: Used as rapid ferment agent, quality improver in food industry. Applied to acid component of synthetic swelling agent, such as, bread, cake. Builted with other phosphates can be applied to water retention of meat product, such as canned meat, cooked ham, meat can and instant noodles.
7.Packing: It is packed with ployethylene bags as line-r , and a woven bag as the outer layer. The net weight of each bag is 25kg.
8.Storage and transport: Stored in a dry and ventilative warehouse; Keep away from moisture moisture and poisonous substances. Handled with care.
Lianyungang Taida Fine Chemical Co.,Ltd., a high-tech enterprise,specialzing in producing phosphate,citrate, carbonate,etc.Which is widely used in foods,beverages,pharmaceuticals and daily chemicals.
With strong technical support,we have made our products meet the standard of FCC and USP.The enterprise has also been certified by international quallty management system ISO9001:2000.These efforts has helped our products gain popularity with customers in USA, Japan,south America and Taiwan .
Quality comes first because it is the top goal we cherish forever.Let's join hands to create a better and healthier life for this world.
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