Description

α-Methylene-γ-Valerolactone is a versatile and highly reactive lactone derivative, serving as a crucial building block in advanced organic synthesis. Its exocyclic methylene group makes it a valuable monomer for polymerization and a key intermediate for creating complex molecular architectures. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly for introducing lactone functionalities.
• Polymer Chemistry: Acts as a reactive monomer for the production of specialty polymers, resins, and coatings with tailored properties.
• Agrochemical Synthesis: Serves as a key precursor in the manufacture of herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Employed in the synthesis of flavors, fragrances, and other high-value specialty chemicals.
• Cross-linking Agent: Utilized in formulations for adhesives, sealants, and composites to enhance durability and chemical resistance.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	α-Methylene-γ-Valerolactone
CAS No.	74002-71-4
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	2-Methylene-5-valerolactone; 3-Methylene-dihydro-2(3H)-furanone; α-Methylene-γ-valerolactone; 2-Methylenedihydro-2(3H)-furanone; 5-Methyl-2-methylene-3-oxotetrahydrofuran; 2-Methylene-γ-valerolactone; α-Methylen-γ-valerolacton
EINECS	Contact for details

Quality Control

Our α-Methylene-γ-Valerolactone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption and potential polymerization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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