2,4-Difluoro-3,5-dimethoxybenzoic acid(CAS: 1003709-80-5)

2,4-Difluoro-3,5-dimethoxybenzoic acid is a solid at room temperature with a crystalline form. Its molecular weight is approximately 217.07 g/mol. This compound is slightly soluble in water but more soluble in common organic solvents like ethanol and dichloromethane. It is relatively stable but can undergo slow hydrolysis in acidic or alkaline conditions. The compound shows moderate reactivity in electrophilic aromatic substitution reactions.

2,4-Difluoro-3,5-dimethoxybenzoic acid can be synthesized by the sequential reaction of 2,4-difluorobenzoic acid with methanol in the presence of a suitable acid catalyst like sulfuric acid. The reaction involves methylation followed by benzoylation. The yield is around 75-85%, and the method provides good selectivity.

2,4-Difluoro-3,5-dimethoxybenzoic acid is used in the pharmaceutical industry for the synthesis of certain drugs. It is also utilized in the polymer industry as a monomer or for the preparation of polymer additives. Additionally, it finds applications in the sensor and semiconductor industries due to its chemical and physical properties.

Proper personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn when handling 2,4-Difluoro-3,5-dimethoxybenzoic acid. Work should be conducted in a fume hood to minimize exposure. Spills should be cleaned up immediately with appropriate absorbent materials and disposed of according to local regulations. Always consult the safety data sheet (SDS) for detailed handling and disposal instructions.