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SALICYLAMIDE  NF. (XIII) / U.S.P.24

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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