Specification :

Molecular formula: ( NaPO3) 6
Molecular weight: 611.82
Properties:
Transparent glass-like powder or scaly solid , Relative Density is 2.484, high deliquescence in air , dissolve in water: 973.2g per 1L water at 20° C, PH of 1% solution is 5.5-6.5, not dissolve in organic solvent , hydrolyze to positive phosphate in neuter mediums.
Quality index:
Item Unit Index
Total Phosphate ( as P2O5) % e68.0
Inactive Phosphate ( as P2O5) % d7.5
water insoluble matter % d0.06
Fe( Fe) % d0.05
PH - 5.8-6.5
As ( As) % d0.0003
Heavy metals( as Pb) % d0.001
Fluoride ( as F) % d0.003
Uses:

1, Mainly used in circulating water treatment as flotation agent and dispersant
2, As preservative used in foods .
3, Widely used in mining , artesian well , textiles, printing and dyeing and so on .
Packing: 25kg/ PE bag lined composite water-proof kraft bag