Isoniazid CAS NO.54-85-3

Product name:Isoniazid CAS NO. :54-85-3 TEST SPECIFICATION CHARACTERS A White, Crystalline Powder, or colourless crystalline. Usages mainly used for various types of tuberculosis, can also…

Product name:IsoniazidCAS NO. :54-85-3 TEST SPECIFICATION CHARACTERS A White, Crystalline Powder, or colourless crystalline. Usages mainly used for various types of tuberculosis, can also be used with tuberculous meningitis and other extrapulmonary tuberculosis,SOLUBILITY Freely soluble in water, sparingly soluble in alcohol very slightly soluble in ether. IDENTIFICATION A. Infrared Absorption. B. The U. V. absorption spectrum of obtained exhibits maxima and minima only at the same wave lengths as that of a similar solution of USP Isoniazid RS. MELTING RANGE 170 o C to 173 o C. pH ( 10 % w/v SOLUTION ) 6.5 to 7.5 LOSS ON DRYING Not more than 1 % w/w RESIDUE ON IGNITION Not more than 0.2 % w/w HEAVY METALS Not more than 20 ppm. ORGANIC VOLATILE Meets the requirement as per USP. IMPURITIES ( METHANOL ) ASSAY 98 to 102 % w/w on dried basis.