What are the physical and chemical properties of (2-Fluoro-5-methoxyphenyl)acetic acid (CAS: 798563-50-5)?

(2-Fluoro-5-methoxyphenyl)acetic acid is a crystalline solid with a molecular weight of approximately 222.17 g/mol. It has a pKa of about 4.2 and is slightly soluble in water. The compound exhibits good solubility in common organic solvents such as methanol and acetonitrile. It is relatively stable under normal conditions but can degrade under strong acidic or basic conditions. Reactivity is primarily seen in its carboxylic acid functionality and the fluoro and methoxy substituents.