Hexane is a colorless liquid that is low-toxic, has a faint, special odor. N-hexane is a chemical solvent mainly used for the solvent polymerization of olefins such as propylene, the extracting agent for edible vegetable oils, the solvents for rubbers and coatings, and the diluents for pigments. It has certain toxicity and enters the human body through the respiratory tract, skin, etc. Long-term exposure can lead to symptoms of chronic poisoning such as headache, dizziness, fatigue, and numbness in the limbs. Severe causes can lead to fainting, loss of consciousness, cancer, and even death.
The industrially used n-hexane is separated from petroleum, oilfield gas and certain natural gas and can be separated from petroleum fractions. In recent years, due to the development of petroleum refining technology, the cost of producing n-hexane has been continuously reduced, so the range and amount of n-hexane used have greatly increased.
N-hexane is mainly used as a solvent in the industry. It is used to formulate viscose to bind shoe leather and bags. It is commonly used in the wiping and cleaning operations in the electronic information industry production process, as well as the crude oil leaching in the food manufacturing industry and the plastic manufacturing industry. Propylene solvent recovery, chemical extractants in chemical experiments (eg phosgene experiments) and floral solvent extraction in the production of commodity chemicals are also used in n-hexane. If used improperly, it can easily cause occupational poisoning.
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