2,3-ACID Chemical name：2-Hydroxy-3Naphthatene Carboxylic Acid Molecular Formula：The prodrcts are yellow obliquely-squared crystais solubse in ethanol,benzene,chloroform,caustic soda and ehter.but not in water.Its melting point is：217.5-219 ℃ Specifications：HG 2－304-80 Appearances：Pale yellow powder Hydrogen Content：≥98.00% Insolubles in the Solution of Sodiumbi Carbonate(%)：≤0.50% Melting Point of Dry Prodrcts(℃)：≥217.0℃ uses：The product is applide in producing intermediates og colout naphthol AS and other kinds of naphthal,besides its use in making intermedinates og medicine or organic Pigment. Packing:In 25kg sack woven of polypropyline,coatied internally with a plastec bag.