Guidelines for the Carriage of Calcium Hypochlorite in
must never be mixed with calcium hypochlorite because toxic chlorine gas will be produced Small amounts of chlorine gas can also be produced as calcium hypochlorite decomposes slowly without contamination 3 Gray and Halliburton B The Thermal Decomposition of Hydrated Calcium Hypochlorite UN 2880 Fire Safety Journal 35 2021 223