Citric Acid Monohydrate BP 500GM Go Back


: 5949-29-1

Molecular Formula

: C6H8O7.H2O

Molecular Weight

: 210.14
Appearance: White or almost white, crystalline powder, colourless crystals or granules, efflorescent.
Solubility: Very soluble in water, freely soluble in ethanol (96%)
Identification A (By Chemical test): The solution is strongly acidic.
Identification B (By IR): IR spectra of the sample should be concomitant with IR spectra of the standard
Identification C (By Chemical test): A red colour develops.
Identification D (By Chemical test): A white precipitate is formed.
Identification E (By Water): 7.5% to 9.0%
Appearance of Solution: The solution is clear and not more intensely coloured than reference solution Y7, BY7 or GY7.
Readily carbonizable substances: Any colour prodced is not more intensely coloured than a mixture of 1ml of red primary solution and 9ml of yellow primary solution.
Oxalic acid: NMT 360ppm (Calculated as anhydrous oxalic acid)
Sulphate (SO4): NMT 150ppm
Water: 7.5% to 9.0%
Sulphated ash: NMT 0.1%
Assay (Anhydrous basis): 99.50%-100.50%
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