What precautions should be taken before detecting n-propanol?

Operational attention

Closed operation, full ventilation. Operators must be specially trained to strictly follow the operating procedures. Operators are advised to wear filter-type gas masks (half masks), safety glasses, anti-static overalls, and latex gloves. Keep away from fire, heat, and smoking in the workplace. Use explosion-proof ventilation systems and equipment. Prevent vapors from leaking into the workplace air. Avoid contact with oxidizing agents, acids, and halogens. The flow rate should be controlled during filling and grounded to prevent static buildup. Lightly load and unload during handling to prevent damage to packaging and containers. Equipped with the corresponding variety and quantity of fire-fighting equipment and leakage emergency treatment equipment. Empty containers may be harmful residues.

Storage attention

Store in a cool, ventilated warehouse. Keep away from fire and heat. The temperature of the reservoir should not exceed 30 °C. Keep the container sealed. It should be stored separately from oxidants, acids, halogens, and food chemicals. Avoid mixing. Explosion-proof lighting and ventilation facilities are used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.

first-aid

Skin contact: Remove contaminated clothing and wash skin thoroughly with soap and water.

Eye contact: Lift eyelids and rinse with running water or saline. Seek medical attention.

Inhalation: Remove quickly from the scene to fresh air. Keep the airway open. If breathing is difficult, give oxygen. If breathing stops, perform artificial respiration immediately. Seek medical attention.

Ingestion: Drink plenty of warm water and induce vomiting. Wash the stomach. Seek medical attention.

Fire-fighting measures

Hazardous characteristics: flammable, its vapor and air can form an explosive mixture, causing combustion and explosion in case of open flame and high heat. Contact with an oxidant to chemically react or cause combustion. In a fire, heated containers are in danger of explosion. Its vapor is heavier than air and can spread to a relatively distant place at a lower place. It will ignite and ignite in case of fire.

Hazardous combustion products: carbon monoxide, carbon dioxide.

Extinguishing method: Move the container from the fire to the open space as much as possible. Spray water to keep the fire container cool until the end of the fire. If the container in the fire has changed color or produces sound from a safety relief device, it must be evacuated immediately. Extinguishing media: anti-solvent foam, dry powder, carbon dioxide, sand.

Leakage treatment

Emergency treatment: Quickly evacuate personnel from the contaminated area to a safe area, and conduct isolation to strictly restrict access. Cut off the fire source. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and wear anti-static overalls. Cut off the source of the leak as much as possible. Prevent entry into restricted spaces such as sewers and flood drains. Small amount of leakage: Adsorption or absorption with sand or other non-combustible materials. It can also be rinsed with a large amount of water, diluted in water and placed in the wastewater system. A large number of leaks: building a dike or digging a pit. Cover with foam to reduce steam hazards. Transfer to a tank truck or special collector with an explosion-proof pump, recycle or transport to a waste disposal site for disposal.

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