Understanding the fundamental chemical identity and physicochemical properties of a compound is paramount for its effective utilization in any industrial or research setting. 1-Ethyl-3-hydroxypiperidine, a molecule widely employed in pharmaceutical synthesis and organic chemistry, possesses a distinct profile of characteristics that dictate its behavior and applications. This article aims to provide a comprehensive overview of its chemical structure, nomenclature, CAS number, and key physical properties.

The chemical identity of 1-Ethyl-3-hydroxypiperidine is formally defined by its IUPAC name, (3S)-1-ethylpiperidin-3-ol, and its widely recognized CAS number, 13444-24-1. Its molecular formula is C7H15NO, with a molecular weight of approximately 129.20 g/mol. Structurally, it features a six-membered piperidine ring, a saturated heterocycle containing one nitrogen atom. An ethyl group is attached to this nitrogen atom, and a hydroxyl (-OH) group is situated at the third carbon position of the ring. This specific arrangement, particularly the chiral center at the hydroxyl-bearing carbon, contributes to its stereochemical complexity and its utility in asymmetric synthesis.

Examining its physicochemical properties reveals further insights into its handling and application. 1-Ethyl-3-hydroxypiperidine is typically described as a colorless to pale yellow clear liquid. It exhibits a boiling point of 93-95°C at 15 mmHg and a density of 0.97 g/mL at 25°C. Its solubility profile indicates good miscibility with water and various organic solvents, attributed to the presence of both polar (hydroxyl, amine) and non-polar (ethyl, ring carbons) functional groups.

The compound's spectroscopic data, including NMR, IR, and Mass Spectrometry, provide definitive confirmation of its structure and purity. These analytical techniques are essential for quality control, ensuring that the material meets the stringent requirements for pharmaceutical intermediates and fine chemicals. Manufacturers like NINGBO INNO PHARMCHEM CO.,LTD. rely on rigorous analytical methods to guarantee the quality of their products, which is vital for its end-users.

In conclusion, a thorough understanding of 1-Ethyl-3-hydroxypiperidine's chemical identity and physicochemical properties is crucial for optimizing its use in diverse applications. Its well-defined structure, combined with its predictable physical behavior, solidifies its position as a valuable compound in the chemical industry.