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2-(3-amino-1H-pyrazol-5-yl)ethanol; CAS No.: 1425931-98-1; 2-(3-amino-1H-pyrazol-5-yl)ethanol. PROPERTIES: This compound presents as a colorless viscous liquid with molecular formula C6H10N2O and a molecular weight of 126.16 g/mol. It exhibits a boiling point in the range of 205-210 C at 760 mmHg and demonstrates good solubility in water and common organic solvents like methanol and ethanol. The substance is hygroscopic and should be stored in dry conditions. Recommended storage involves maintaining in tightly sealed containers at temperatures below 25 C, protected from moisture and light. When handling, standard laboratory safety precautions should be observed, including the use of gloves and eye protection, as 2-(3-amino-1H-pyrazol-5-yl)ethanol may cause skin and eye irritation. The amino group requires careful handling in strongly acidic or basic environments. APPLICATIONS: In the pharmaceutical industry, 2-(3-amino-1H-pyrazol-5-yl)ethanol serves as a chiral intermediate for synthesizing antiviral agents, as described in medicinal chemistry literature focusing on nucleoside analogs. Its hydroxyl group enables formation of phosphate esters for prodrug strategies. Additionally, this compound functions as a building block for preparing surfactants with antimicrobial properties through quaternization reactions. Academic research has explored its potential in the development of chiral catalysts for asymmetric synthesis, as reported in organic chemistry journals. The pyrazole ring system also facilitates formation of metal complexes, making it valuable for creating luminescent materials in materials science applications, as evidenced by studies in inorganic chemistry publications.