Benzoic acid Ph.Eur 500GM Go Back


: 65-85-0

Molecular Formula


Molecular Weight

: 122.12
Appearance: White or almost white, crystalline powder or colourless crystals.
Solubility: Slightly soluble in water, soluble in boiling water, freely soluble in ethanol (96%) and in fatty oils.
Identification A (By Melting point): 121°C to 124°C
Identification B (Benzoates): A dull-yellow precipitate, soluble in ether should form.
Appearance of solution: Clear and colourless solution
Carbonisable substances: The solution is not more intensely coloured than reference solution Y5.
Oxidisable substances: The solution is still coloured pink.
Halogenated compounds and halides: 300ppm max.
Sulphated ash: 0.1% max.
Assay: 99.0% - 100.5%
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