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2-(3-Buten-1-ylamino)ethanol; CAS No.: 785034-63-1; 2-(3-Buten-1-ylamino)ethanol. PROPERTIES: This butenylamino-substituted ethanol features molecular formula C?H??N O? with molecular weight 144.21 g/mol. It generally appears as a white crystalline powder. Soluble in polar protic solvents like methanol and water. Melting point approximately 60-65 C. Exhibits IR absorption for amine (~3300-3000 cm??) and hydroxyl groups (~3300 cm??). Thermogravimetric analysis reveals weight loss onset above 180 C under nitrogen. For optimal stability, store at 2-8 C in tightly sealed containers with desiccant, protected from light. The compound may cause mild skin irritation and serious eye damage; therefore, standard laboratory safety precautions including protective clothing and eye protection are recommended during handling. APPLICATIONS: As a butenylamino-substituted ethanol, 2-(3-Buten-1-ylamino)ethanol is predominantly utilized in the synthesis of agrochemicals. It serves as a key intermediate in constructing acetanilide-based herbicides, where the butenylamino group provides valuable binding affinity for plant enzymes as demonstrated in pesticide chemistry research (Pest Management Science). Additionally, the compound participates in the development of fluorescent probes for bioimaging applications, where its hydroxyl group forms covalent bonds with target biomolecules via oxime formation (Bioconjugate Chemistry). In materials science, it functions as a monomer for preparing polyurethane foams with enhanced thermal stability, where the butenylamino group contributes to improved flame retardancy and mechanical properties (Polymer International).