Description

2H-Pyran-2-One, 3-Ethyltetrahydro- CAS NO 32821-68-4 is a specialized lactone compound, a derivative of tetrahydro-2H-pyran-2-one, valued for its unique cyclic ester structure. This chemical serves as a versatile intermediate and building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought by research and development laboratories, pharmaceutical companies, and fine chemical manufacturers for applications in fragrance, flavor, and active pharmaceutical ingredient (API) synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fragrance & Flavor Synthesis: Used to create lactone-based aroma chemicals that impart creamy, coconut, or fruity notes.
• Organic Synthesis Reagent: Serves as a versatile intermediate for constructing heterocyclic compounds and other fine chemicals.
• Polymer & Material Science: Acts as a monomer or modifier in the development of specialty polymers and biodegradable materials.
• Agrochemical Research: Employed in the research and development of novel pesticides and herbicides.
• Chemical Research: Utilized in academic and industrial R&D for methodological studies and new compound discovery.

Basic Information

Product Name	2H-Pyran-2-One, 3-Ethyltetrahydro-
CAS No.	32821-68-4
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	3-Ethyltetrahydro-2H-pyran-2-one; 3-Ethyl-δ-valerolactone; 3-Ethyltetrahydropyran-2-one; 3-Ethyl-5,6-dihydro-2H-pyran-2-one (related unsaturated form); 3-Ethyloxan-2-one; 3-Ethyl-dihydro-2(3H)-pyranone; Tetrahydro-3-ethyl-2H-pyran-2-one
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One, 3-Ethyltetrahydro- is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.450 - 1.460
Density (20°C)	1.00 - 1.05 g/mL

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.