The Copper Chromite [GJB], with the CAS registry number 99328-50-4, has the systematic name of Nitric acid, barium salt, reaction products with ammonia, chromic acid (H₂CrO₄) diammonium salt and copper(2+) dinitrate, calcined.

When you are dealing with this chemical, you should be more cautious. For one thing, it is oxidising which may react exothermically with other chemicals. If contact with combustible material may cause fire. For another thing, it is toxic which may at low levels cause damage to health. This chemical may cause sensitisation by skin contact and may cause cancer by inhalation. In addition, it is dangerous for the environment which may present an immediate or delayed danger to one or more components of the environment. For being toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

Therefore, you should take the different measures to deal with different cases. The first thing is to wear suitable protective clothing and gloves. And then when store it, avoid exposure - obtain special instructions before use and then keep away from combustible material. Beside, this material and its container must be disposed of as hazardous waste. In addition, avoid releasing to the environment and you could also refer to special instructions/safety data sheet.