Yellow or gray-green crystal block or powder with hygroscopicity. It decomposes at high temperature and hydrolyzes into methane and aluminum hydroxide in cold water. Used in metallurgy and catalyst. It is made by the reaction of alumina and coke.
Precautions for operation: closed operation, local exhaust. Operators must be specially trained and strictly abide by the operating procedures. Operators are advised to wear self-priming filter dust mask, chemical safety glasses, chemical protective clothing and rubber gloves. Avoid dust. Avoid contact with acids. Pay special attention to avoid contact with water. When handling, handle with care, keep the package intact and prevent leakage. Equipped with leakage emergency treatment equipment. Empty containers may leave harmful substances behind.
Precautions for storage: Store in a cool and ventilated warehouse. Stay away from fire and heat sources. Keep the relative humidity below 75%. The package is sealed. Should be stored separately from acids, etc. , and should not be mixed. The storage area should be equipped with suitable materials to control leakage.