Molecular formula C7H6O2
M.W.:122.13
Quality standard
Index name | Industrial grade Q/TALH | Food grade GB1902-94 | Pharmaceutical grade BP98 |
Assay(dry) | ≥98% | ≥99.5% | 99.0-100.5% |
Melting point | 121 -124 | 121 -123 | 121 -124 |
Readily oxidizable substance | / | passed | passed |
Readily carbonizable substance | / | passed | passed |
Chloride | / | ≤0.014% | ≤0.03% |
Heavy metals (as pb) | / | ≤0.01% | ≤0.001% |
Vulcanizing residue | / | / | ≤0.1% |
As | / | ≤0.0002% | / |
Phthalic acid | / | ≤0.0002% | / |
Loss on dry | / | ≤0.5% | / |
Whiteness | / | meet the standard | meet the standard |
Propertieswhite scaly or needle-like crystal , with slight odor of benzoin or benzaldehyde, sublimation in 100¡æ , Relative density 1.316,Boiling point 249.2¡æ , Melting point 121.7¡æ ,
Uses preservative, antimicrobial agent of food and medicine ; plasticizer and material
Dosage Bread & cake 0.25-0.5%; chocolate product 0.2-0.4%; jelly confectionery jam 1% max ; candy , cheese 0.1-0.3%; soy 0.1-0.25%.
Packing net wt 25KG PP/PE bag
Benzoic acid