5H-Chromeno[2,3-b]pyridin-5-ol(CAS: 6722-09-4)

5H-Chromeno[2,3-b]pyridin-5-ol is a yellow crystalline solid with a molecular weight of 216.12 g/mol. It has a solubility of about 0.1 g/100 mL in water. Chemically, it is relatively stable but can react with strong acids and bases. It is not flammable but may be prone to oxidation under certain conditions.

5H-Chromeno[2,3-b]pyridin-5-ol can be synthesized through the condensation of chromone and 2-pyridone in the presence of a catalyst, such as p-toluenesulfonic acid, with a yield of up to 70%. The exact conditions, such as temperature and concentration, will vary depending on the specific method used.

5H-Chromeno[2,3-b]pyridin-5-ol is used in the pharmaceutical industry for the development of certain drugs. It is also explored in the polymer industry for its potential to enhance material properties. Additionally, it finds applications in sensor technology and as a precursor in the semiconductor industry.

When handling 5H-Chromeno[2,3-b]pyridin-5-ol, it is important to use proper personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a fume hood to minimize inhalation risk. Spills should be cleaned up using appropriate chemicals, and the area should be well-ventilated. Always refer to the Safety Data Sheet (SDS) for detailed handling instructions and emergency procedures.