Description

γ-Methyl-ε-Caprolactone is a specialized lactone derivative, a versatile chemical intermediate prized for its unique cyclic ester structure. This compound is essential for synthesizing high-value fine chemicals and advanced polymers, offering a balance of reactivity and stability. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a monomer or co-monomer for creating specialty polyesters and polyurethanes with enhanced properties.
• Fragrance & Flavor Precursor: Acts as a starting material for synthesizing musk-like odorants and complex flavor compounds.
• Organic Synthesis Reagent: Employed in ring-opening reactions and as a chiral synthon in asymmetric synthesis for fine chemicals.
• Crosslinking Agent: Utilized in formulations for coatings, adhesives, and sealants to improve durability and chemical resistance.

Basic Information

Product Name	γ-Methyl-ε-Caprolactone
CAS No.	2549-42-0
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	6-Methyloxepan-2-one; 6-Methyl-ε-caprolactone; γ-Methyl-ε-caprolactone; 6-Methyl-2-oxepanone; 6-Methylhexano-6-lactone; 6-Methyl-6-hexanolactone; 6-Methylcaprolactone
EINECS	219-826-4

Quality Control

Our γ-Methyl-ε-Caprolactone is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance 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 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%
Refractive Index (n20D)	1.455 - 1.465
Density (g/mL, 20°C)	1.020 - 1.050

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