2',4'-Difluoro-4-hydroxy-3-biphenylcarboxylic acid(CAS: 22494-42-4)

2',4'-Difluoro-4-hydroxy-3-biphenylcarboxylic acid (CAS: 22494-42-4) is a white crystalline solid with a molecular weight of approximately 296.05 g/mol. It is poorly soluble in water but soluble in common organic solvents like methanol and ethanol. The compound is moderately acidic and can react with bases. It exhibits good stability under normal conditions but may degrade at high temperatures or under strong acidic or basic conditions.

2',4'-Difluoro-4-hydroxy-3-biphenylcarboxylic acid is synthesized through a multi-step process involving the condensation of 4-hydroxybiphenyl with a fluorinated benzaldehyde, followed by acidification. The reaction is typically carried out in the presence of a strong acid catalyst like hydrochloric acid, yielding a compound with high purity and selectivity. The overall yield is approximately 75-80%, with good control over the fluorination and hydroxylation positions.

2',4'-Difluoro-4-hydroxy-3-biphenylcarboxylic acid (CAS: 22494-42-4) is primarily used in the pharmaceutical industry for the synthesis of various drug molecules. It can also be employed in the production of functional polymers, sensors, and semiconductors. Due to its specific chemical structure, it serves as a valuable precursor in materials science and chemical research.

When handling 2',4'-Difluoro-4-hydroxy-3-biphenylcarboxylic acid (CAS: 22494-42-4), it is essential to wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated fume hood to minimize exposure to vapors. Spills should be carefully cleaned up using suitable absorbent materials, and the area should be thoroughly washed down. Always consult a Material Safety Data Sheet (MSDS) for detailed safety information and emergency procedures.