2,8-Dimethyl-4(1H)-quinolinone(CAS: 15644-80-1)

2,8-Dimethyl-4(1H)-quinolinone (CAS: 15644-80-1) is a crystalline solid with a molecular weight of approximately 210.21 g/mol. It has a high melting point around 225°C and is slightly soluble in water but soluble in organic solvents like ethanol and acetonitrile. Chemically, it is stable in neutral and acidic conditions but can be sensitive to strong bases. It reacts with metal salts to form complexes and exhibits UV-Vis absorption in the visible region, useful for spectroscopic analysis.

2,8-Dimethyl-4(1H)-quinolinone (CAS: 15644-80-1) can be synthesized via a condensation reaction of 2,4-dimethylquinoline with acetic anhydride. The synthesis typically involves heating the reactants under mild conditions to allow the formation of the quinolinone ring. The reaction yield is around 75-80%, and the use of azeotropic distillation can improve the purity of the product. Commonly, no catalyst is required for this reaction.

2,8-Dimethyl-4(1H)-quinolinone (CAS: 15644-80-1) finds applications in pharmaceuticals for the synthesis of certain drugs, particularly those that require quinolinone rings. It is also used in the development of polymers due to its aromatic structure, and it can be employed in sensors for its ability to detect specific chemical species. Additionally, it has potential applications in semiconductors for creating specific electronic properties.

When handling 2,8-Dimethyl-4(1H)-quinolinone (CAS: 15644-80-1), it is crucial to wear appropriate personal protective equipment (PPE), including gloves, safety goggles, and a lab coat. Work should be done in a well-ventilated area or a fume hood to avoid inhalation of vapors. Spills should be cleaned up immediately using absorbent materials, followed by thorough cleaning with water. Always refer to the safety data sheet (SDS) for detailed handling and disposal information.