(3-Methylphenyl)acetic acid(CAS: 621-36-3)

(3-Methylphenyl)acetic acid is a white crystalline solid with a molecular weight of approximately 148.19 g/mol. It has a melting point around 95-97°C and is slightly soluble in water but more soluble in organic solvents like ethanol and acetone. This compound is moderately reactive, particularly in its esterification and transesterification reactions. It is commonly used as a starting material in organic synthesis due to its reactivity and availability.

The synthesis of (3-Methylphenyl)acetic acid is typically achieved via the reaction of 3-methylbenzyl chloride with sodium acetate in an aqueous medium. This method provides good yield and selectivity. Other synthetic routes include the reduction of 3-methylbenzoyl chloride with sodium borohydride or the coupling of 3-methylbenzaldehyde with acetic acid. These methods are widely used due to their simplicity and efficiency.

(3-Methylphenyl)acetic acid is primarily used in the pharmaceutical and chemical industries as an intermediate for the synthesis of various drugs and organic compounds. It is also utilized in the polymer industry for the production of certain resins and in the sensor industry for its ability to detect certain chemical species. Additionally, it has applications in the semiconductor industry as a precursor in some manufacturing processes.

When handling (3-Methylphenyl)acetic acid, it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. It should be stored in a well-ventilated area and handled in a fume hood to minimize exposure. In case of a spill, avoid direct contact and use appropriate spill cleanup materials. Always consult the Safety Data Sheet (SDS) for detailed handling and disposal information. Proper disposal should be conducted in compliance with local regulations.