Methanol is a flammable, volatile liquid, can be ignited when heated, sparks or open flame, fire; its vapor can form explosive mixtures with air, the explosion limit of 6.0% ~ 36.5%, easy to explode.
Human contact with methanol, methanol can be absorbed through the respiratory tract, digestive tract, the skin can also be partially absorbed, and has obvious accumulation characteristics. Methanol on the human body can cause damage to the central nervous system, eye damage and metabolic acidosis-based systemic diseases. In the process of accident handling, the following measures can be taken at the scene:
1. First of all, call the emergency telephone number on the transportation label or the local fire emergency telephone. Take emergency precautions to evacuate the scene, evacuate uninvolved persons, and stay in the upwind area, do not enter the low-lying area. Should be set up around the leakage area isolation zone, such as only leakage, its isolation distance of at least 50 meters such as the occurrence of fire and the scene of storage tanks, tanker trucks, tankers, its isolation distance of at least 800 meters.
2. When the storage tank or truck fire, as far as possible to extinguish the fire or remote-controlled water guns, water cannons to fight; with a large number of tap water to cool containers containing hazardous materials until the fire is completely extinguished. If the container's safety valve rattles or the tank changes color, you should quickly evacuate and stay away from the tank engulfed in fire.
3. When a spill or leak occurs, rescuers should wear fully enclosed protective clothing to deal with the spill or leak without fire; to deal with the source of ignition, the equipment used must be grounded; do not touch or traverse the spill; prevent the spill from entering drains, sewers, etc., and set up a quarantine area in front of the spill to wait for treatment.
4. First aid for the injured:
Quickly evacuate the scene. When a leak occurs, all people in the area of the leak should be quickly moved to a safe area upwind of the leak. Call 120 or other emergency medical service center, medical personnel should quickly classify the injured according to their condition and make appropriate signs to ensure that the medical staff of the critically injured treatment.
Prevent the continued absorption of poison. Should immediately remove the injured person is contaminated clothing, with a large number of flowing water rinse. For inhalation poisoning, should be immediately sent to the fresh air, to keep the respiratory tract of the injured open.
The treatment of the loss of consciousness. To the loss of consciousness of the injured, we must pay attention to its pupils, breathing, pulse and blood pressure changes. After initial resuscitation at the scene, under the close supervision of medical personnel, the injured person will be transferred to a nearby hospital for treatment.