Benzoic Acid USP

Benzoic acid is a colorless crystalline solid and a simple aromatic carboxylic acid. It occurs naturally in many plants and serves as an intermediate in the biosynthesis of many secondary metabolites.


Benzoic acid and its salts are used as food preservative as it inhibits the growth of mold, yeast and some bacteria. Acidic food and beverages are preserved with benzoic acid and benzoates. Benzoic acid is used to make a large number of important chemicals such as Benzoyl chloride, benzyl benzoate and Phenol.


Chemical Name: Benzoic acid
Synonyms: Benzene carboxylic acid
CAS No.: 65-85-0
Molecular formula: C7H6O2
Molecular Weight: 122.12 g/mol


General Specifications

Test Specification…USP
Appearance A white, crystalline powder or colorless crystals
Solubility Slightly soluble in water, soluble in boiling water, freely soluble in alcohol and in fatty oils.
Appearance of solution The solution is clear and colorless.
Congealing range 121 to 123
Water Not more than 0.7%
Readily carbonizable substances Passes test
Residue on ignition Not more than 0.05%
Heavy metals Maximum 10 micro-gm/gm
Readily oxidizable substances Passes test
Organic volatile impurities Passes test
Residual solvents Passes test
Assay Not less than 99.5% and not more than 100.5%


Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


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We observe WHO Good manufacturing practice and Good laboratory practice.

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