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Formula C7H7NO2 M.W. 137.14 Chemical Name O-Hydroxy Benzamide Technical Information White or slightly pink crystalline powder. Bitter in tast…
Details:
Formula C7H7NO2 M.W. 137.14 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. Typical Analysis : Description A colourless crystalline powder. Odour Almost odourless. Melting Range 139 0 C - 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. Organic Volatile Impurities Complies with U.S.P. test. Heavy Metals 0.001% (U.S.P. limit). Assay 98.0% to 102% of C7H7NO2 calculated on the anhydrous basis.
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