Sodium pyrophosphate

CHARACTERISTICS

White crystalline powder


APPLICATION FIELD OR USES

Food industry including water retention agent,emulsifying agent, acidity regulator, examples include: processed meat, processed cheeses, and aquatic products processing.


PACKING FEATURES

Inner plastic bags and outer woven bags or composite paper bags. Net weight?: 29kg/bag



Product Name:Sodium pyrophosphate

Formula:Na4P₂O7、Na4P₂O7·10H₂O

Molecular weight: 265.90, 446.10

CAS:7722-88-5          INS:450iii

Quality standard:GB25557-2010


Technical index

Parameter
Index
Sense

White powder or crystalline
Na4P₂O7·10H₂O,w/%min98.0
Na4P₂O7,w/%

96.5~100.5
Orthophosphate
Passed test
pH: 10g/L Solution
9.9~10.7
Arsenic(As) /(mg/kg)max3
Fluoride(as F)/(mg/kg)
max
50
Heavy metals(as Pb) /(mg/kg)max
10
lead(Pb)/(mg/kg)max
4
Water insoluble matterw/%max
0.2
Loss on ignitionNa4P₂O7·10HO,w/%
38.0~42.0

Loss on ignition Na4P₂O7)a ,w/%    a:Loss on ignition Na4P₂O7)indicators

to factory test indicators.

max
0.5