1. What is THF?

Answer: Tetrahydrofuran (THF, C₄H₈O) is a colorless, flammable liquid with an ether-like odor. It is a ​polar aprotic solvent widely used in polymer synthesis, pharmaceuticals, and coatings

​2. What are the key hazards of THF?

Answer:

• ​Flammability: Flash point ​**-14°C**; explosive limits ​1.8–11.8% in air
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• ​Reactivity: Forms explosive ​peroxides upon exposure to air/light. Reacts violently with strong oxidizers, acids, and bases
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• ​Health risks: Irritates eyes/skin; prolonged exposure may cause organ damage
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​3. How to handle THF safely?

Answer:

• ​Storage: Keep in cool (<30°C), ventilated areas, sealed with stabilizers (e.g., BHT) to inhibit peroxide formation
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• ​Protection: Use explosion-proof equipment, nitrile gloves, and respiratory protection
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• ​Avoid: Contact with oxidizers, acids, or heat sources
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​4. How to dispose of THF spills?

Answer:

• ​Small leaks: Absorb with sand or inert material; rinse with water
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• ​Large leaks: Contain with barriers, use foam to suppress vapors, and transfer to sealed containers
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• ​Never pour into drains due to flammability and environmental risks
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