Methyl 3-(trifluoromethyl)benzoate(CAS: 2557-13-3)

Methyl 3-(trifluoromethyl)benzoate is a colorless to light yellow crystalline solid with a molecular weight of approximately 228.14 g/mol. It has a pKa of about 2.9 and a melting point of 65-66°C. It is slightly soluble in water but soluble in common organic solvents like ethanol and acetone. It is an electrophilic aromatic compound and is relatively stable but can undergo substitution reactions under certain conditions.

Methyl 3-(trifluoromethyl)benzoate is typically synthesized by the methylation of 3-(trifluoromethyl)benzoic acid using methyl iodide in the presence of a base like sodium hydride. The reaction is carried out in a solvent such as dimethylformamide (DMF) at room temperature, with a yield of around 80-85%. The reaction involves the formation of a triflate intermediate which then reacts with methyl iodide to form the desired product.

Methyl 3-(trifluoromethyl)benzoate is used in the pharmaceutical industry as an intermediate for the synthesis of various pharmaceutical compounds. It is also utilized in the polymer industry for producing functionalized polymers and in sensor technology for detecting specific chemical species. Additionally, it finds applications in the semiconductor industry in certain etching processes.

When handling Methyl 3-(trifluoromethyl)benzoate, appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coat should be worn. Work should be carried out in a fume hood to minimize inhalation risks. Spills should be contained and handled using appropriate absorbents. In case of skin contact, the affected area should be washed with water. If swallowed, do not induce vomiting and seek medical advice immediately. The Safety Data Sheet (SDS) should always be consulted for detailed handling and emergency procedures.