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Qingdao Z & F Sungold International Trade Co., Ltd.

Food Grade, Food Grade Sapp, Sodium Acid Pyrophosphate manufacturer / supplier in China, offering Sapp Food Grade-China Manufactory Price, High Quality Sodium Saccharin, Sodium Saccharin (BP98) and so on.

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Sapp Food Grade-China Manufactory Price

FOB Price: US $800-930 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $800-930/ Ton
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Port: Qingdao, China
Production Capacity: 10000mt Per Year
Payment Terms: L/C, T/T, Paypal

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Basic Info
  • Model NO.: ada192
  • Type: Sodium Acid Pyrophosphate
  • Resource: Natural Preservatives
  • Usage: Food Processing
  • Transport Package: 25 Kg Kraft Paper Bag
  • Origin: China
  • Composition: Sodium Benzoate
  • Effect: Promote Nutrition
  • Appearance: White Powder
  • Trademark: zfsungold
  • Specification: FCCIV; BP98
  • HS Code: 28353990
Product Description
Product Description
Classification: PhosphateName: Disodium dihydrogen pyrophosphate
CAS No.:7758-16-9Other Names: SAPP
MF: Na2H2P2O7EINECS No.: 231-835-0
Place of Origin: ChinaGrade Standard: Food Grade
Brand Name: ZEXINAppearance: White Powder
ItemSPECIFICATIONTypical Analysis
Purity ,% 95.0 Min97.45
P2O5 ,% 63.0-64.564.10
pH ( 1% solution )3.7-5.04.25
Arsenic ( As ),mg/kg1.0Max0.3
Fluoride ( F ),mg/kg10.0Max5
Cadmium (Cd) ,mg/kg1.0Max0.02
Mercury (Hg),mg/kg1.0Max0.02
Lead ( Pb ),mg/kg1.0Max0.2
Water insolubles, %1.0Max0.15
Loss on drying %200.0MaxPass
*Drying condition: 4H@105ºC
Sapp Food Grade-China Manufactory PriceSapp Food Grade-China Manufactory Price
SAPP Sodium dihydrogen pyrophosphate
Disodium pyrophosphate or sodium acid pyrophosphate is an inorganic compound consisting of sodium cations and pyrophosphate anion. It is a white, water-soluble solid that serves as a buffering and chelating agent, with many applications in the food industry. When crystallised from water, it forms a hexahydrate, but it dehydrates above room temperature. Pyrophosphate is a polyvalent anion with a high affinity for polyvalent cations, e.g. Ca2+.
Disodium pyrophosphate is produced by heating sodium dihydrogen phosphate:
Disodium pyrophosphate is a popular leavening agent found in baking powders. It combines with sodium bicarbonate to release carbon dioxide:
Na2H2P2O7 + NaHCO3 → Na3HP2O7 + CO2 + H2O
It is available in a variety of grades that affect the speed of its action. Because the resulting phosphate residue has an off-taste, SAPP is usually used in very sweet cakes which mask the off-taste.
It is designated in the United States as generally recognized as safe (GRAS) for food use. It is used in canned seafood to maintain color and reduce purge[clarification needed] during retorting. Retorting achieves microbial stability with heat. It is an acid source for reaction with baking soda to leaven baked goods. In baking powder, it is often labeled as food additive E450. In cured meats, it speeds the conversion of sodium nitrite to nitrite (NO2) by forming the nitrous acid (HONO) intermediate,[clarification needed] and can improve water-holding capacity. Disodium pyrophosphate is also found in frozen hash browns and other potato products, where it is used to keep the color of the potatoes from darkening.

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