Methylglyoxal is a simple organic compound with the chemical formula C3H4O2. It is a colorless liquid that has a sweet, syrupy smell. Methylglyoxal is produced naturally in small amounts during the metabolism of sugars and is found in various foods, including honey and coffee. In addition to its natural occurrence, methylglyoxal is also used in some industrial applications, such as in the production of flavoring agents and as a precursor in chemical synthesis. It has gained attention for its potential antimicrobial properties and is being studied for its effects on health and disease.