Sodium Hexametaphosphate

Chemical Name: Sodium Hexametaphosphate
Formula: (NaPO3)6
Properties: White powder ,density is 2.484(20?),easily soluble in water, but not on organic solution, absorbent to dampness, and furn sticky when absorbed dampness in air. It is possible to form solvent compound with metallic ions such as Ca, Ba, Mg, Cu and Fe; it is a fine agent for water treatment. 

Quality standard:

Name of index

FCC - IV                                                    

Total phosphate, as P2O5                           %

66.5 -71.0

Chloride  ≤%

0.21

Sulphates  ≤%

0.048

PH of 1%water solution

6.7-7.2

Solubility                       

Qualified

Heavy metals   ≤%

0.001

Arsenic, as As    ≤%

0.0001

Fluoride, as F     ≤%

0.003

Water insoluble   ≤%

0.05

Pb       ≤%

0.0001

Ortho-phosphate

Pass test

Loss on drying    ≤%

5.0

Loss on ignition    ≤%

1.0

Identification

Pass test

Fe     ≤%

0.003


Application: 
For food grade, it is mainly used as additive agent , PH adjusting agent and fermentation agent, and nourishment.

Packing: 25kgs net paper bags or 25kgs net plastic woven bags.

Storage and transport: 
It should be stored in a ventilative and dry warehouse instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid damage to plastic bags. Furthermore, it should be stored separately from poisonous substances.
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