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2-fluoro-5-(hydroxymethyl)benzonitrile; CAS No.: 227609-85-0; 2-fluoro-5-(hydroxymethyl)benzonitrile. PROPERTIES: This fluoro-substituted hydroxymethyl nitrile features molecular formula C?H?FNO with molecular weight 151.14 g/mol. Exists as a crystalline solid. Soluble in polar aprotic solvents like DMF and DMSO. Melting point approximately 95-100 C. Exhibits IR absorption for nitrile and hydroxymethyl groups. Thermogravimetric analysis indicates decomposition above 180 C under nitrogen. Store at 2-8 C in sealed containers. May cause skin irritation and eye damage. APPLICATIONS: As a hydroxymethyl nitrile, 2-fluoro-5-(hydroxymethyl)benzonitrile is used in beta-blocker synthesis. The nitrile group hydrolyzes to carboxylic acid, forming amide functionality. Also used in fluorescent probe synthesis, enabling conjugation via click chemistry. In materials science, it enhances thermal stability in polyacrylonitrile fibers due to fluorine substituents.