Sodium acid pyrophosphate (SAPP)

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Sodium acid pyrophosphate (SAPP)
Posting date : Jul 12, 2010
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28-
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Chemical formula:Na2H2P2O7 CAS Number:7758-16-9 Standard executed:Nantional standard(Tech Grade)HG 2928-1999(Food Grade) Packing and storage:In 25kg,50kg,1000kg net bags,store at a cool,dry and well ventilated place. Properties: White powder or granular; Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220℃, it will be decomposed into sodium meta phosphate. Application: Used as a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten water resetting time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life. Specifications: (Tech Grade): Appearance:White Powder Main content:95% min P2O5:63%-64% min PH value of 15 solution:3.5-4.5 Water insoluble:1.0% max Loss on ignition:0.5% max (Food grade): Aappearance: White Powder Main content:95% min P2O5:63%-65% min PH value of 1% solution:3.5-4.5 Water insoluble:1.0% max Heavy metals:15ppm max Fluoride:50ppm max Arsenic:3ppm max Loss on ignition:0.5% max Any requirements,pls contact anda1024(at)gmail dot com

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