2-Ethyl-3-hydroxy-4H-pyran-4-one(CAS: 4940-11-8)

2-Ethyl-3-hydroxy-4H-pyran-4-one, with the CAS number 4940-11-8, is a cyclic ester compound commonly known as ethyl-3-hydroxy-4H-pyran-4-one. It has the chemical formula C6H10O3 and is characterized by its six-membered lactone ring structure. This compound is often used as an intermediate in organic synthesis and is known for its mild reactivity and stability under normal conditions.

2-Ethyl-3-hydroxy-4H-pyran-4-one is widely utilized in pharmaceutical research for the synthesis of various bioactive compounds. It also serves as a building block in the production of flavor and fragrance chemicals. Additionally, it is used in the development of agrochemicals and as a precursor in polymer science. Its versatility makes it a valuable compound in multiple industrial applications.

2-Ethyl-3-hydroxy-4H-pyran-4-one is generally considered safe when handled properly. However, as with many organic compounds, it may cause irritation to the skin, eyes, or respiratory system. Safety data sheets (SDS) recommend using appropriate personal protective equipment (PPE) such as gloves and goggles. It is important to follow standard laboratory safety protocols to minimize exposure risks.

2-Ethyl-3-hydroxy-4H-pyran-4-one should be stored in a cool, dry, and well-ventilated place, away from direct light. It is best kept in a sealed container made of glass or polyethylene to prevent moisture ingress. The recommended storage temperature is between 2-8°C, and it should be protected from humidity and potential contaminants to maintain its chemical stability.