Ethanol, C2H5OH, is the most common alcohol. It is a mild depressant when ingested, and is a common ingredient in many beverages. Besides its recreational use, ethanol is important to many industries and food preservation.
Ethylene is hydrated to produce ethanol.
Ingestion of ethanol in food or drink causes intoxication. It is a mild depressant, and impares judgement and reduces inhibitions. Managed use of ethanol may be used to raise morale. Ethanol ingestion will likely be restricted heavily in a settlement due to the risk to oneself and others.
Ethanol is used to preserve fruits and other foods.
Ethanol is an effective solvent for many chemicals.