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How To Protect And Storage Tetrahydrofuran

Views: 285     Author: Vickey     Publish Time: 2023-05-15      Origin: Site


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How To Protect And Storage Tetrahydrofuran

Tetrahydrofuran is a dangerous chemical, which is reflected in its health hazards, explosive hazards, and dangerous characteristics.

Tetrahydrofuran has the effects of anesthesia and stimulation on the human body after inhalation; it is easy to cause upper respiratory tract stimulation and may also inhibit the central nerve, causing nausea, dizziness, headache, and other symptoms. If the THF is too much, it may also cause liver and kidney function damage. If the skin and tetrahydrofuran contact for a long time, it is easy to skim the effect, dermatitis. A 20% aqueous solution of tetrahydrofuran used in human eyes will seriously damage the cornea, and long-term contact will also affect fertility and even cause a loss of sexual function.

Tetrahydrofuran is extremely flammable and irritating, and its vapor and air can form an explosive mixture, which is easy to cause combustion in high heat, an open fire, and strong oxidants. Tetrahydrofuran can react with acids and react violently with potassium hydroxide and sodium hydroxide. THF steam is heavier than air, can spread a considerable distance at a lower temperature, and will ignite in the event of a fire.

Therefore, when using THF, it is necessary to take appropriate protective measures, understand the corresponding first-aid measures, and know how to operate and store such hazardous chemicals correctly.

Preventive measure

Respiratory system protection: Wear a filter gas mask (half mask) when contacting its vapor. When necessary, it is recommended to wear a self-contained respirator.

Eye protection: generally, you do not need special protection, but for high concentrations of contact, you can wear safety protection glasses.

Body protection: wear anti-static work clothes.

Hand protection: wear anti-benzene and oil-resistant gloves.

Others: Smoking is strictly prohibited on the work site. After work, take a shower and change your clothes. Pay attention to personal hygiene.

Emergency treatment

Skin contact: Take off the contaminated clothes and rinse the skin thoroughly with soapy water and clean water.

Eye contact: Lift the eyelids and rinse with running water or normal saline. seek medical advice.

Inhalation: quickly leave the site for the fresh air. Keep the respiratory tract unobstructed. If breathing is difficult, supply it with oxygen. If breathing stops, perform artificial respiration immediately. seek medical advice.

Eat in:drink enough warm water, urge vomiting, and seek medical treatment.

Operational disposal and storage

Operation precautions: closed operation, comprehensive ventilation Operators must be specially trained and strictly follow the operating procedures. It is recommended that operators wear a filter gas mask (half mask), safety glasses, anti-static work clothes, and rubber and oil-resistant gloves. Stay away from fire and heat sources, and smoking is strictly prohibited in the workplace. Use an explosion-proof ventilation system and equipment. Prevent steam from leaking into the workplace air. Avoid contact with oxidants, acids, and bases. The flow rate shall be controlled during filling and shall have a grounding device to prevent electrostatic accumulation. When handling, use light loading and unloading to prevent damage to packaging and containers. Equipped with the corresponding variety and quantity of firefighting equipment and leakage emergency treatment equipment. The empty container may contain harmful substances.

Storage precautions: usually the commodity is treated with a polymer inhibitor. Store in a cool, ventilated warehouse. Stay away from the fire and heat sources. The library temperature should not exceed 30 °C. Packaging shall be sealed and shall not be in contact with the air. Should be stored separately from oxidants, acids, alkalis, etc.; avoid mixed storage. Explosion-proof lighting and ventilation facilities are adopted. No use of mechanical equipment and tools prone to sparking The storage area shall be equipped with leakage emergency treatment equipment and suitable shelter materials.

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