01 02 Solubility 03 04 Description 05 06 07 Identification : A. Melting point . Result A. Result B. B. IR absorption . Related substances By HPLC Impurity K ( 4 - aminophenol ) Impurity J ( chloroacetanilide ) Unspecified impurities . Total of other Impurity . L.O.D. at 105 C Sulfated Ash Assay ( On dried substance . ) White Crystalline powder Complies . 170.5 ° C 0.5 C Complies . 7.07 ppm Not Detected 0.0079 % 0.0122 % 0.10 % 0.037 % 99.90 % White or almost white crystalline powder . Sparingly soluble in water , Freely soluble in ethanol 96 % & very slightly soluble in Methylene Chloride . Between 168 ° C to 172 C Not greater than 2 C Compare the spectrum with that obtained with Paracetamol RS or with the working standard spectrum of Paracetamol . NMT - 50 ppm NMT - 10 ppm NMT -0.05 % NMT - 0.2 % Not more than 0.5 % Not more than 0.1 % NLT 99.0 % & NMT 101.0 %