... weak-acid of organic compound which fermented by a kind of microorganism.,called Kojic acid. 2). Kojic acid is ... alcohol, acetone, slightly dissolving ether second ester of second acid, chloroform and pyridine, non-dissolving benzene;molecular ... .THE QUALITY STANDARD OF KOJIC ACID ItemIndexAppearanceWhite or cream colored acicular crystalClarity of solutionColorless and transparentPathogensNone ...