COA Center




Product Code: 06175


Appearance White or yellowish-white crystals or fine powder
Solubility slightly soluble in water, freely soluble in acetone, sparingly soluble in ethanol (96 per cent), practically insoluble in methylene chloride. It dissolves in solutions of alkali hydroxides and in dilute mineral acids
Assay (on dried basis) 99.0 -101.0%
Identification -
Melting point 164.5 °C to 166.0 °C
Infrared spectrum Conforms to structure
Identification 'C' The principal spot in the chromatogram obtained with test solution (a) is similar in position and size to the principal spot in the chromatogram obtained with reference solution (a).
Identification 'D' ssolve about 5 mg in 10 mL of 1 M hydrochloric acid. Dilute 1 mL of the solution to 10 mL with water R. The solution, without further acidification, gives the reaction of primary aromatic amines
Acidity Not more than 0.2 mL of 0.1 M sodium hydroxide is required to change the colour of the indicator
Related Substances ( by TLC) Max 0.5%
Sulphate (SO4) Max 0.02%
Chloride (Cl) Max 0.01%
Heavy metal (as Pb) Max 0.002%
Loss on drying (at 105°C) Max 0.5%
Sulphated ash Max 0.1%

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