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Potassium pyrophosphateCAS: 7320-34-5

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Synonyms: Tetra Potassium Pyrophosphate;Tetrapotassium Pyrophosphate (TKPP);Diphosphoricacid, potassium salt (1:4);Diphosphoricacid, tetrapotassium salt (9CI);Pyrophosphoric acid, tetrapotassium salt(8CI);Phosphosol;Potassium diphosphate (K4P2O7);Potassium phosphate(K4P2O7);Tetrakalium pyrophosphate;Tetrapotassiumdiphosphate;Tetra Potassium Pyrophosphate(TKPP); Classification:
EINECS: 230-785-7 Molecular Formula: K4O7P2
Melting Point: 1109℃ Boiling Point: >1500
Stability: Stable at room temperature in closed containers under normal storage and handling conditions. Water Solubility: SOLUBLE
Refractive index: Flash Point:
Purity: Appearance: White crystalline powder
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  • Solubility: Soluble in water
  • Appearance: White crystalline powder
  • Risk Codes: 36/37/38-36
  • Safety: 26-36


1、Chemical Name: POTASSIUM PYROPHOSPHATE2、Character: the relative density is 2.534 and melting point is 1109°C.3、Usage: It is used as emulsifier, quality modifier and chelae agent. It is also used in keeping fresh and improving quality of aquatic products. And it can increase the swelling of ice cream, improve the flavor of cakes and pastries and prevent the cheese from aging. 4、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.5、Storage and Transport: It should be stored in a dry and ventilate warehouse, kept away from moisture and heat during transport, unloaded with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.Specification FCC,1996Content ≥% 95.0Loss on Ignition≤% 0.5Fluorides≤% 0.001Pb≤% 0.0002Water Insolubles≤% 0.1Heavy Metal (As Pb) ≤% 0.0015Arsenic (As As) ≤% 0.0003

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