Benzoic Acid
Chemical Name: Benzoic acid
Molecular Formula: C7H6O2
Molecular weight: 122.13
CAS No.: 65-85-0
Properties of benzoic acid:
White mercerized scaly or needle crystal, a slight odor of benzoin or benzaldehyde, sublimation at about 100 ° C relative density1.316, boiling point249.2° C, melting point121.7° C, Insoluble in water(0.34G/100ml, 25° C), soluble in boiling water (4.55g/100ml, 90 ° C), ethanol, chloroform and ether as well as non-volatile oil and volatile oil
Applications of benzoic acid:
For food and pharmaceutical preservatives, anti-microbial agent; Plasticizer and organic synthesis of raw materials.
Indicator | Industrial grade Q/TALH | Food grade GB1902-94 | Pharmaceutical gradeBP98 |
| Content(dry base) | ≥98% | ≥99.5% | 99.0-100.5% |
| Melting range | 121 -124°C | 121 -123°C | 121 -124°C |
| Easily oxidized | / | Past test | Past test |
| Easy carbonize | / | Past test | Past test |
| Chloride | / | ≤0.014% | ≤0.03% |
| Heavy metal(pb) | / | ≤0.01% | ≤0.001% |
| Sulfide residues | / | / | ≤0.1% |
| Arsenic(AS) | / | ≤0.0002% | / |
| Phthalic acid | / | ≤0.0002% | / |
| Loss on dry | / | ≤0.5% | / |
| White | / | Compliance to standard | Compliance to standard |