Also known as acetic acid, it has several important uses across various industries. Here are just 3 examples of its main applications:

1. Food Industry: Ethanoic acid is widely used in the food industry as a flavouring agent and preservative.
   It is a key component of vinegar, which is used in cooking, pickling, salad dressings, and condiments.
   Ethanoic acid contributes to the sour taste and helps inhibit the growth of bacteria and fungi in food products.

2. Chemical Synthesis: 
   It is used in the synthesis of various organic compounds that are used in the production of adhesives, plastics, fibres and pharmaceuticals.

3. Cleaning and Sanitising: Due to its antimicrobial properties, ethanoic acid is used as a disinfectant and cleaning agent in households, hospitals, and industrial settings. It effectively kills bacteria, viruses, and fungi, making it useful for sanitation purposes.