Description

2-Oxepanone, 5,5-Dimethyl- is a specialized lactone derivative with a unique cyclic ester structure, serving as a valuable building block in advanced organic synthesis. Its importance lies in its role as a key intermediate for creating complex molecules with tailored properties for high-performance applications. This compound is primarily needed by R&D chemists and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, lipophilic lactone moiety.
• Agrochemical Synthesis: Serves as a precursor for developing novel herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Polymer & Resin Modifier: Acts as a monomer or co-monomer for producing specialty polyesters and resins with specific degradation profiles or physical properties.
• Fragrance & Flavor Chemistry: Utilized as a starting material for synthesizing complex musk-like odorants and flavoring agents.
• Crosslinking Agent: Employed in coatings and adhesive formulations to introduce specific crosslinking sites, improving durability and chemical resistance.
• Organic Synthesis Reagent: A versatile reagent for ring-opening reactions, esterifications, and the construction of complex heterocyclic systems in academic and industrial research.

Basic Information

Product Name	2-Oxepanone, 5,5-Dimethyl-
CAS No.	60187-76-0
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	5,5-Dimethyl-2-oxepanone; 5,5-Dimethyl-ε-caprolactone; 5,5-Dimethyloxepan-2-one; 5,5-Dimethylhexano-6-lactone; α,α-Dimethyl-ε-caprolactone
EINECS	Contact for details

Quality Control

Our 2-Oxepanone, 5,5-Dimethyl- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for use as a fine chemical intermediate. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	≤ 2.0% total

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