Chemical Name O-Hydroxy Benzamide
Technical Information White or slightly pink crystalline powder. Bitter in taste, sensation of warmth on tongue, forms water soluble Sodium Salt at 9pH.
Description A colourless crystalline powder
Odour Almost Odourless.
Melting Range 139oC – 142oC.
Solubility Soluble in hot water, chloroform and ether. pH of saturated aqueous solution at 25oC is 5.0.Solubility in water at 30oC is 0.2% at 47oC is 0.8%; Solubility in Glycerol at 5oC is 2.0%; at 39oC is 5%; at 60oC is 10%. Solubility in Propylene Glycol at 5oC is 10%.
Infra red absorption Passes test.
Ultraviolet absorption Passes test.
Water 0.5% (max).
Residue on ignition 0.05% w/w (max) N.F.XIII/0.1% w/w/U.S.P.
Chromatographic Purity Complies with U.S.P. test.
Heavy Metals Complies with U.S.P. test.
Assay 0.001% (U.S.P. limit)
Heavy Metals 98.0% to 102% of C7H7NO2 calculated on the anhydrous basis.