Ethanol is a flammable, volatile, colorless and transparent liquid at normal temperature and pressure, and its toxicity is low, so pure liquid cannot be directly drunk. It has a special fragrance and is slightly irritating; Slightly sweet with pungent taste. Flammable, its vapor can form an explosive mixture with air and can be miscible with water in any proportion. It is miscible with chloroform, ether, methanol, acetone and most other organic solvents.

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40% ~ 50% alcohol can prevent bedsores. Patients who stay in bed for a long time, the back, waist and buttocks are compressed for a long time, which can cause bedsores. For example, pouring a little 40% ~ 50% alcohol on their hands during massage can evenly massage the pressed parts of patients, promote local blood circulation and prevent the formation of bedsores. ?

25% ~ 50% alcohol can be used for physical antipyretic. Patients with high fever can use it to wipe their bodies and achieve the purpose of cooling down. Wiping the skin with alcohol can dilate the blood vessels of the patient's skin, increase the heat dissipation ability of the skin, absorb heat by evaporation with alcohol, reduce the body surface temperature of the patient and relieve symptoms. ?

Note: the alcohol concentration should not be too high, otherwise it may irritate the skin and absorb a lot of water from the epidermis. ?

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