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 2.484(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 25 Kg,50 Kg,1000 Kg net bage,store at a cool,dry and well ventilated place.
Guaranteed Technical Specifications :

NO .	specifications	Industrial Grade	Food Grade
1	Appearance	white powder or white fine powder or white granular or colorless piece
2	Total phosphates (as P2O5 )% ≥	68	68
3	Inactive Phosphates (as P2O5 )%≤	7.5	7.5
4	Iron (Fe) % ≤	0.05	0.05
5	PH Value	5.8-7.3	5.8-6.5
6	Solubility	pass	pass
7	Heavy Metals (as Pb) % ≤		0.001
8	Arsenic (As)% ≤		0.0003
9	Fluoride (as F) % ≤		0.003
10	Water Insoluble matter % ≤	0.05	0.05
11	Polymerization	9-21	9-21