Salicylic Acid (Medical Grade)
Chemical name:	Benzoic acid,-2hydroxcy
Molecular formula:	C7H6O3
CAS	69-72-7
Structure formula:
Standard	BP/USP/CP/EP
Physical and Chemical Properties:	White crystal or crystal powders,and sweets first and then hot,no chemical changes in the air.Atmospherically sublimation temperature over 76oC.Easily to decarboxylate and change into phenol and dioxide when heated atmospherically,and its aqueous solution appears acid reaction,becomes purple with FeCL3.Slightly dissolves in water but dissolves in boiling water easily.Dissolves in the ethanol or ether and slightly soluble in chloroform.
Specification	Appearance:	White crystal or crystal powders
	Color and clarity of solution:	Meet the requirement.
	Loss of drying:	≤0.5%	Sulfate ash:	≤0.1%
	Assay:	99.0-100.5%	Moisture:	≤0.40%
	Heavy metals:	≤20ppm	Sulfate:	≤200ppm
	M.P.:	≥158oC	Phenol:	≤0.10%