pharmaceutical
material
intermediate
5-Nitrosalicylic acid
Molecular formula : C7H5NO5
MW : 183.12
CAS No. 96-97-9
Nature : light yellow crystal. 233-235 ° C melting point. Almost insoluble in water, hot water-dissolved. Soluble ethanol,

ethyl ether.
Preparation methods : acid to in nitration.
Usage:For dye and pharmaceutical intermediates