The main uses of 4-aminobenzoic acid_Kain Industrial Additives

background and overview[1] the molecular formula of 4-aminobenzoic acid is c7h7no2. molecular weight 137.14. monoclinic prism crystals are obtained from dilute ethanol and turn yellow when exposed to light in the air. the melting point is 188~189℃, the relative density is 1.37425, and the uvλmax220, 289nm in ethanol. the solubility in water is 1g soluble…