... by a kind of microorganism.,called Kojic acid. 2). Kojic acid is white or cream colored acicular crytal, ... water, alcohol, acetone, slightly dissolving ether second ester of second acid, chloroform and pyridine, non-dissolving benzene;molecular formula ... iron ananysis reagent.THE QUALITY STANDARD OF KOJIC ACID ItemIndexAppearanceWhite or cream colored acicular crystalClarity of solutionColorless ...