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…