(E)-Hex-3-enoic acid is an unsaturated organic compound. It is commonly used as a fragrance ingredient in products like food, beverages, and personal care items. Additionally, it serves as a starting material for synthesizing various organic compounds, including pharmaceuticals and agrochemicals. Due to its low toxicity and biodegradability, (E)-Hex-3-enoic acid has been studied for use as a bio-based solvent. Research has also explored its potential antimicrobial and antifungal properties, which could contribute to developing new antimicrobial agents.