| ≥1 piece |
Benzoic Acid C7H6O2 (or C6H5COOH), is a colorless crystalline solid and the simplest aromatic carboxylic acid. The name derived from gum benzoin, which was for a long time the only source for benzoic acid. Its salts are used as a Food Preservative and benzoic acid is an important precursor for the synthesis of many other organic substances. The salts and esters of benzoic acid are known as benzoates.
| ITEM | STANDARD |
| APPEARANCE | A WHITE POWDER |
| PHTHALIC ACID | PASS |
| MELTING PIONT | 121℃—124℃ |
| CLARITY OF SOLUTTON | CLEAR AND COLORLESS |
| CARBONISABLE SUBSTANCES | ≤Y5 |
| OXIDISABLE SUBSTANCES | CONFORM |
| HEAVY METALS | ≤10ppm |
| TOTAL CHLORIDE | ≤200ppm |
| RESIDUE ON IGNITION | ≤0.05% |
| SULFATE ASH | ≤0.1% |
| ASSAY | ≥99.50% |