Ethyl (2E)-4-oxo-2-butenoate(CAS: 2960-66-9)

Ethyl (2E)-4-oxo-2-butenoate (CAS: 2960-66-9) is a colorless liquid with a sharp, fruity odor. It has a molecular weight of approximately 120.15 g/mol. The compound is slightly soluble in water but more soluble in organic solvents. It is moderately reactive and can undergo ester hydrolysis and oxidation reactions. Care should be taken to store it in a cool, dry place away from moisture and strong oxidizing agents.

Ethyl (2E)-4-oxo-2-butenoate (CAS: 2960-66-9) can be synthesized through a reaction of ethyl acetoacetate with acetyl chloride in the presence of a Lewis acid catalyst such as aluminum chloride. This reaction provides high yield and good selectivity, making it a common method for industrial synthesis of this compound.

Ethyl (2E)-4-oxo-2-butenoate (CAS: 2960-66-9) is used in the pharmaceutical industry for the synthesis of certain drugs. It is also utilized in the polymer industry for the production of special plastics and in the sensor industry for designing gas-sensing materials. Additionally, it has applications in the semiconductor industry for etching processes.

When handling Ethyl (2E)-4-4-oxo-2-butenoate (CAS: 2960-66-9), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Ensure the area is well-ventilated and consider using a fume hood. Spills should be handled carefully, and the material safety data sheet (MSDS) should be consulted for detailed spill cleanup procedures. Store the compound in a cool, dry place away from sources of heat and strong oxidizers, and dispose of it according to local regulations.