Quick Detail
Place of Origin
HS-CODE
28-
Package & Delivery Lead Time
Detailed Description
Molecular formula: Na4P2O7
Molecular weight: 265.90
Properties:
White powder , easily dissolve in water , not dissolve in ethanol , relative density is 2.45, melting point is 890°C, liquid is alkalescence , 1% , PH: 9.9-10.7.
Quality index:
Item Unit Index
sodium pyrophosphate % 96.5-100.5
Fluoride (as F) ppm ≤ 50
As (as As) ppm ≤ 3
Heavy metals(as Pb) ppm ≤ 10
water insoluble matter % ≤ 0.20
pH (1%Aq. solution) - 9.9-10.7
Loss on ignition % ≤ 0.50
Phosphate inspection - pass
Uses:
1,Widely used as detergent auxiliary , in industry, used to bleach papers , degrease wool and used in plating;
2,Used in foods as emulsifier, nutrition agent , quality modifier ,etc.
Packing: plastic lined woven bag, net wt 25KG or 50KG, kept in dry and ventilating place.
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