This carbonyl compound presents as a white to off-white powder. It is known to be slightly soluble in hot water. For best results, store in a tightly closed container in a dry and well-ventilated place. This substance should be stored at room temperature in the original container. (Ethylenedithio)diacetic Acid is incompatible with oxidizing agents. This chemical causes skin irritation, serious eye irritation, and may cause respiratory irritation.