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焦磷酸二氢二钠 焦磷酸二氢二钠 焦磷酸二氢二钠
Disodium pyrophosphate
Disodium pyrophosphate
Disodium pyrophosphate

Disodium pyrophosphate

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Other Name: Sodium acid pyrophosphate
Origin: Jiangsu, China
Brand: RUNPU

Product Details

  • Item Name: Disodium pyrophosphate
  • Other Name: Sodium acid pyrophosphate
  • Appearance: white powder
  • CAS NO.: 7758-16-9
  • MF: H2Na2O7P2
  • Formula Weight: 221
  • EINECS No.: 231-835-0
  • Type: GENERAL


Used as buffer, leaven, quality modifier, ferment agent, emulsifier, nutriment, adhesive and preservative in foods.

Package & Storage

25kgs woven bag lined with plastic bag, according to the customer’s demand; Stored at draughty dry places.

Basic Description

The product is white power. Soluble in water and insoluble in ethanol, acidic property appeared in aqueous solution. 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.

Detail Description