What are the physical and chemical properties of 4,5-Dichloro-3-methylthiophene-2-carboxylic acid (CAS: 854626-34-9)?

4,5-Dichloro-3-methylthiophene-2-carboxylic acid is a solid at room temperature with a crystalline form. It has a molecular weight of approximately 228.04 g/mol. The compound is slightly soluble in water and has good solubility in common organic solvents such as ethanol and acetone. It is known for its high reactivity, particularly in nucleophilic substitution and electrophilic aromatic substitution reactions.