This sulfonyl halide derivative, also known as 1,2-benzenedisulfonyl chloride, presents as a white to pale yellow crystalline powder. Store in a cool and dark place, under inert gas and at ambient temperatures. This substance is moisture sensitive. 1,2-Benzenedisulfonyl Dichloride is incompatible with oxidizing agents and should not be stored or handled in their vicinity. This chemical may be corrosive to metals and is known to cause severe skin burns and eye damage.