Description

Oxepan-2-One is a versatile seven-membered lactone (cyclic ester) with the CAS number 80137-66-2. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, prized for its unique ring structure and reactivity. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring a seven-membered lactone scaffold.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or co-monomer for creating specialty polyesters and biodegradable polymers with specific thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in ring-opening polymerization (ROP) reactions and as a precursor for generating more complex heterocyclic compounds in fine chemical production.
• Fragrance & Flavor Chemistry: Serves as a starting material for synthesizing specific musk-like odorants or flavor components.
• Chemical Research: A valuable reference standard and reagent in academic and industrial R&D for exploring new synthetic methodologies and catalysis.

Basic Information

Product Name	Oxepan-2-One
CAS No.	80137-66-2
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	2-Oxepanone; ε-Caprolactone; 6-Hexanolactone; Hexano-6-lactone; 6-Hydroxyhexanoic acid lactone; 1-Oxa-2-oxocycloheptane; Caprolactone
EINECS	Contact for details

Quality Control

Our Oxepan-2-One is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. For customers with specific regulatory needs, we can discuss compliance with relevant standards (e.g., USP, ICH guidelines) on request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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