Food Additive Potassium Benzoate 582-25-2
- CAS No.: 582-25-2
- Type.: Preservative
- Appearance: White crystal or crystalline powder
- Molecular Formula: C7H5KO2
- Shelf Life: -
- Min Order Quantity: As requirements
Test | Specification | Result |
Assay,% | 99.0-100.5 | 99.49 |
Loss on drying % | ≤1.5 | 0.37 |
Hazen | ≤20 | 10 |
Appearance of solution | PASS | PASS |
Readily oxidizable substance | through experiments | PASS |
Acidity and alkalinity | through experiments | PASS |
(Pb)Heavy metals , % | ≤0.001 | ≤0.001 |
Arsenic , % | ≤0.0002 | <0.0002 |
Sulfate , % | ≤0.1 | <0.1 |
Chloride | ≤0.03 | <0.03 |
Phthalandione | through experiments | PASS |
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(2) Used as an edible preservative.
(3) Analytical reagents, preservative. The food industry is used as a preservative; an antimicrobial agent. Potassium benzoate is also used as a pyrotechnic material squeaking agent.
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