7.1 Identity:
Chemical name : Disodium Diphosphate
Disodium Pyrophosphate
Molecular formula: Na2H2P2O7
Molecular weight 221.94
CAS number: 7758-16-
7.2 Physical and chemical properties:
Appearance: White powder
Bulk Density : 0.85-1.15g/ml
7.3 Specification
Main content: 95%min
Insoluble: 0.5%max
PH : 3.5-4.5
As 0.0003%max
Heavy metal (as Pb) : 0.001%max
Fluoride: 0.005%max
Particle size(through0.15mm) : 95%min
(All figures are on w/w bases)
7.4 Applications:
Used as a buffer, leaven, modifier, emulsifier, nutrient
,canning preservative in food and potato treatment
7.5 Packing
Packed in 25kg or 50Lbs Multi-ply kraft paper bag with PE bag inner