These are the chemical formulas for some common organic compounds:

C2H4 - Ethylene, a gas that is used in the production of plastics and as a ripening agent for fruits.C2H5OH - Ethanol, the type of alcohol found in alcoholic beverages.CH3CHO - Acetaldehyde, a colorless liquid that is used in the production of resins and as a preservative in foods.CH3COOH - Acetic acid, the main component of vinegar and also used in the production of plastics and dyes.