This aromatic ether, also known as catechol dimethyl ether, presents as a white to almost white crystal lump. It is known to be soluble in acetone, very soluble in ether, benzene and ethanol, and very slightly soluble in water. Store in a cool and dark place at ambient temperatures. 1,2-Dimethoxybenzene is incompatible with oxidizing agents and strong acids and should not be stored or handled in their vicinity. This chemical is harmful if swallowed.