Salicylic Acid – Pharmaceutical grade

Description	:	Colourless crystalline powder.
Odour	:	Almost Odourless.
Melting Range	:	158.5 0 C to 161.0 0 C.
Appearance of Solution/Clarity & Colour of Solution	:	Passes test as per B.P./I.P
Heavy Metals	:	20 ppm (max.)
Sulphated Ash/Residue on Ignition	:	0.1% w/w (I.P./B.P.Limit) / 0.05%w/w (U.S.P. Limit)
Chloride	:	125 ppm (max.) I.P./100 ppm (max.) B.P.
Sulphate	:	0.02% (max.) I.P./140 ppm U.S.P.
Related Substance	:	Complies with U.S.P. test.
Loss of Drying	:	0.5% (max.) B.P.
Iron	:	2 ppm (max.) I.P.
Readily Carbonisable Substance	:	Passes test
Assay	:	99.0% to 100.5% I.P./B.P., 99.5% to 101% U.S.P. of C7H6O3 with reference to substance dried over Silica Gel for three hours.