Operations management: confined operation, provision of adequate local exhaust. Prevent leakage of smoke or dust in the air of the workplace. Personnel must be trained, comply with strict rules. Recommends that the operator wear self-priming filter type respirators (full cover), wearing duct tape protective clothing, wear rubber gloves. Keep away from fire and heat, smoking is prohibited in the workplace. Use explosion-proof ventilation systems and equipment. In front of the clear liquid and vapour cannot carry out welding and cutting operations. Avoid vapor or dust. Avoid contact with oxidizers. Equipped with the appropriate variety and quantity of fire-fighting equipment and leaking emergency equipment. Empty containers may be residual hazardous materials.