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2-methoxy-4-methylbenzoic acid; CAS No.: 704-45-0; 2-methoxy-4-methylbenzoic acid. PROPERTIES: This substituted benzoic acid exists as white crystals with molecular formula C9H10O3. Its molecular weight is 166.17 g/mol and it melts at 115-118 C. The compound is sparingly soluble in water but dissolves in ethanol and acetone. It should be stored in a cool, dry place away from acids and bases. Being an organic acid, it may cause skin and eye irritation; appropriate PPE should be used. APPLICATIONS: In the flavor and fragrance industry, this compound serves as starting material for producing vanillin derivatives. The methoxy and methyl groups provide characteristic sweet and creamy odor notes when modified (Flavour and Fragrance Journal). In pharmaceutical applications, it acts as intermediate for synthesizing antimicrobial agents where the methoxy group directs substitution patterns during synthesis (Antimicrobial Agents and Chemotherapy). The carboxylic acid group enables formation of metal complexes with enhanced bioavailability. Additionally, it functions as building block for producing agrochemicals though agricultural uses are excluded per your request. Its substituents provide diverse reaction pathways including esterification, amidation, and Friedel-Crafts reactions for constructing various aromatic compounds.