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N-Hexane solvent

N-Hexane is a colorless, volatile liquid with a strong odor. It is often used as a solvent, fuel, and reaction medium. This article will deeply analyze the main characteristics of n-hexane and introduce its wide range of applications....

Release time：2025-04-27

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N-Hexane solvent: flammable and toxic chemical

N-Hexane is a colorless, volatile liquid with a strong odor. It is often used as a solvent, fuel, and reaction medium. This article will deeply analyze the main characteristics of n-hexane and introduce its wide range of applications.

Physical properties

The molecular formula of n-hexane is C6H14, the relative molecular mass is 86.18, and the density is about 0.66g/mL. Its boiling point is 69℃. N-Hexane is a liquid at room temperature, but it can become a solid at very low temperatures. It has low surface tension and miscibility and is almost insoluble in water.

Safety and hazards

N-Hexane is a flammable liquid that explodes when it encounters open flames or high temperatures. Therefore, it should be avoided from contact with open flames and high temperature surfaces during use. Its vapor is also anesthetic, and excessive inhalation may cause dizziness, coma, or even death. Therefore, when using or storing n-hexane, it is necessary to ensure good ventilation and take appropriate protective measures, such as wearing respiratory protective equipment and gloves.

Applications

N-Hexane solvent is widely used in many industrial and laboratory scenarios. Here are a few major applications:

Solvents: n-Hexane can be used as a solvent to dissolve organic substances such as fats, oils, and resins. It is often used in chemical laboratories for organic synthesis reactions and drug analysis.

Fuel: Due to its low boiling point and volatility, n-hexane can be used as a fuel in some special cases. For example, in the propellant of jet aircraft and rocket engines, n-hexane can provide efficient combustion.

Cosmetics: n-Hexane is used as a solvent and diluent in some cosmetics to help evenly disperse other ingredients. However, due to its anesthetic and volatility, more safe alternatives are now available.

Health and safety industry: n-Hexane is used in the manufacturing process of masks and other protective equipment. It can provide waterproof and mildew-proof effects in certain industrial products.

Summary

N-Hexane is a commonly used solvent and fuel with a wide range of applications. However, it is necessary to pay attention to its flammability and harmfulness when using it, and safety measures must be taken to ensure personal safety and environmental protection. As technology advances, we can expect more safe and environmentally friendly alternatives to emerge to meet the needs of different industries and laboratories.

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