Description

4-Oxepanone is a versatile seven-membered lactone, a key chemical intermediate valued for its unique cyclic ester structure. This compound is essential for the synthesis of complex polymers, specialty chemicals, and fine pharmaceuticals, offering a critical building block for advanced material science. It is particularly sought after by research institutions and industrial manufacturers in the polymer, pharmaceutical, and agrochemical sectors for developing novel products and processes.

Application

• Polymer Chemistry: Serves as a monomer or co-monomer for the synthesis of biodegradable aliphatic polyesters and specialty polymers.
• Pharmaceutical Intermediates: A crucial precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Fine Chemical Synthesis: Used as a building block for creating macrocyclic compounds, fragrances, and other high-value specialty chemicals.
• Agrochemical Research: Employed in the development of novel pesticides and herbicides due to its reactive lactone functionality.
• Material Science: Investigated for use in creating advanced materials with specific degradation profiles or mechanical properties.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new chemical reactions in organic synthesis.

Basic Information

Product Name	4-Oxepanone
CAS No.	62643-19-0
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	ε-Caprolactone; 6-Hexanolactone; Hexano-6-lactone; 6-Caprolactone; 1-Oxa-2-oxocycloheptane; 2-Oxepanone; 6-Hydroxyhexanoic acid lactone; Caprolactone
EINECS	Contact for details

Quality Control

Our 4-Oxepanone is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we can support compliance with REACH and other global regulatory frameworks.

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). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	≤ 0.1 meq/g

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