Specification :

Chemical formula: ( NaPO3) 6
Molecular weight: 611.82
Standard executed: HG/ 2519-1993( technical grade)
GB1890-2005( food grade)
CAS Number: ( 1) 68915-31-1
( 2) 10124-56-8

Properties:
White powder; Density 2.484G/ cm3( 20) ; Soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. And is a good water treatment chemical.

Uses:
Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. As water softener, flotation selecting agent, disperser and high temperature adhesive; In food industry it used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc.

Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.

NO Specifications Industrial Grade Food Grade
1 Total phosphates ( as P2O5 ) % e 68 68
2 Inactive Phosphates ( as P2O5 ) % d 7.5 7.5
3 Iron ( Fe) % d 0.05 0.05
4 PH Value 5.8-7.3 5.8-6.5
5 Solubility pass pass
6 Heavy Metals ( as Pb) % d 0.001 0.001
7 Arsenic ( As) % d 0.0003
8 Fluoride ( as F) % d 0.003
9 Water Insoluble matter % d 0.05 0.05
10 Polymerization 9-21 9-21