Overview
3-(2-Methylphenyl)propanoic acid is an organic compound belonging to the class of aromatic carboxylic acids. It features a propanoic acid group attached to a 2-methylphenyl ring, making it a useful intermediate in various chemical syntheses. The compound is primarily utilized in pharmaceutical research and industrial chemistry due to its reactive carboxyl group and aromatic structure. Its synthesis typically involves the oxidation of corresponding alcohols or aldehydes, or through Grignard reactions. The compound's stability and reactivity make it a valuable building block for more complex molecules, particularly in drug development and specialty chemicals.
Physical and Chemical Properties
3-(2-Methylphenyl)propanoic acid appears as a white to off-white crystalline powder with a molecular weight of 164.20 g/mol. It has a melting point in the range of 80-85°C, which is characteristic of similar aromatic carboxylic acids. The compound is soluble in common organic solvents such as ethanol, methanol, and diethyl ether, but only slightly soluble in water due to its hydrophobic aromatic ring. Chemically, it exhibits typical carboxylic acid behavior, including the ability to form salts, esters, and amides. The methyl group on the phenyl ring can influence its reactivity in electrophilic aromatic substitution reactions, making it a versatile intermediate for further derivatization.
Main Applications
The primary application of 3-(2-Methylphenyl)propanoic acid is as an intermediate in pharmaceutical synthesis. It serves as a building block for active pharmaceutical ingredients (APIs) and other biologically active compounds. Its structure is particularly useful in the development of non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents. In addition to pharmaceuticals, this compound finds use in organic chemistry research, where it is employed in the synthesis of more complex molecules. It may also be used in the production of fragrances and specialty chemicals, leveraging its aromatic properties for specific functional roles.
Safety and Storage
3-(2-Methylphenyl)propanoic acid should be handled with care to avoid inhalation, ingestion, or skin contact. Personal protective equipment (PPE) such as gloves, goggles, and lab coats are recommended when working with this compound. In case of exposure, rinse affected areas with plenty of water and seek medical advice if necessary. Storage conditions are critical to maintaining the compound's stability. It should be kept in a tightly sealed container in a cool, dry place, away from direct sunlight and moisture. Proper ventilation in the storage area is also advised to prevent the accumulation of vapors.
B2B Procurement Guide
For B2B buyers, sourcing 3-(2-Methylphenyl)propanoic acid requires attention to purity, supplier reliability, and compliance with industry standards. It is advisable to request certificates of analysis (CoA) to verify the compound's purity and quality. Bulk purchases may offer cost advantages, but buyers should ensure proper storage and handling capabilities. When selecting a supplier, consider their track record in chemical manufacturing and distribution. Reliable suppliers should provide detailed product specifications, safety data sheets (SDS), and technical support. Pricing can vary significantly based on quantity, purity, and supplier location, so obtaining multiple quotes is recommended.
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