Its aqueous solution is unstable in nature and has strong reducibility and is a strong reducing agent. It is easy to absorb oxygen and oxidize when exposed to the air. It is also easy to absorb moisture and deteriorate, and it can take oxygen agglomeration in the air and emit a pungent sour taste. So store in a cool, ventilated warehouse. The relative humidity is kept below 75%. The package is sealed and must not be in contact with air. It should be stored separately from oxidants, acids, and combustibles. Avoid mixing. Explosion-proof lighting and ventilation facilities are used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be provided with suitable materials to contain spills.