CAS NO.: 10124-56-8
Chemical formula: (NaPO3)6
Specification:
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SODIUM HEXAMETAPHOSPHATE
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Specifications
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Industrial Grade
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Food Grade
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Total phosphate, as P2O5%≥
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68.0
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68.0
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Inactive phosphate, as P2O5%≤
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7.5
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7.5
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Iron, as Fe %≤
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0.05
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0.05
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Ph value (1% solution) %≤
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5.8-7.3
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5.8-6.5
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Solubility
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Qualified
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Qualified
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Heavy metals, as Pb %≤
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-
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0.001
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Arsenic, as As%≤
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-
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0.0003
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Fluoride as F%≤
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-
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0.003
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Water insoluble %≤
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0.05
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0.06
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Property: it is a colourless flake or white crystalline solid with strong hygroscopicity. It can be soluble in water while insoluble in organic solvents.
Application: For the oil field, it is applied for paper making, textile, printing and dyeing, petroleum, chemical, leather, metallurgy and construction. For food grade, it is mainly used as additive agent, PH adjusting agent and fermentation agent, and nourishmen