1). Technical grade: Used in such industries as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for printing, dyeing, and boile,etc. 2). Food grade: Mainly used as additive agent, pH adjusting agent, fermenting agent, and nourishment, etc.
PRODUCT NAME: |
Sodium Tripolyhosphate |
|
SYNONYMS: |
STPP |
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FORMULA: |
Na5P3O10 |
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MOLECULAR WEIGHT: |
367.86 |
|
PROPERTIES: |
White Powder |
|
EINECS NO.: |
215-280-1 |
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CAS NO.: |
7758-29-4 |
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HS CODE: |
3405900000 |
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SPECIFICATION: |
Inspection Standard |
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Components: |
Guaranteed Analysis: |
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Appearance |
white crystalline powder |
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Assay |
99%-101% |
|
Water content |
≤0.5% |
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Melting point |
|
|
Reducing sugar |
≤0.1% |
|
Specific rotation |
+105.5°- +108.5° |
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Chloride |
≤50 ppm |
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Sulfate |
≤100 ppm |
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Lead |
≤0.5 ppm |
|
Nickel |
≤0.5 ppm |
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Arsenic |
≤0.5 ppm |
|
Heavy metals |
≤10 ppm |
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Viable counts |
≤20cfu/g |
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Yeast |
≤10cfu/g |
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Moulds |
≤10cfu/g |
|
Coliform organisms |
Negative in |
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PACKAGING: |
In double layer bags of |
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QUANTITY/CONTAINER: |
|
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HANDLING&STORAGE: |
Kept in a light-proof, dry and cool place |