Description

3,4-Dimethyloxetan-2-One is a high-purity, specialized lactone compound serving as a critical building block in advanced organic synthesis. Its unique oxetane ring structure makes it a valuable precursor for developing novel pharmaceuticals, agrochemicals, and performance materials. This compound is essential for researchers and manufacturers in the fine chemical, pharmaceutical intermediate, and polymer science sectors seeking to create complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring constrained, ring-based scaffolds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with enhanced efficacy and environmental profiles.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with tailored thermal and mechanical properties.
• Ligand & Catalyst Development: Employed in the preparation of chiral ligands and organocatalysts for asymmetric synthesis applications.
• Fine Chemical Production: A versatile starting material for synthesizing complex fragrance compounds, flavors, and other high-value specialty chemicals.
• Academic & Industrial R&D: Utilized in exploratory chemistry for drug discovery programs and the development of new synthetic methodologies.

Basic Information

Product Name	3,4-Dimethyloxetan-2-One
CAS No.	5402-54-0
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	3,4-Dimethyl-β-propiolactone; 3,4-Dimethyloxetan-2-one; 3,4-Dimethyl-2-oxetanone; β-Propiolactone, 3,4-dimethyl-; NSC 163022; 3,4-Dimethyl-β-lactone; 3,4-Dimethyl-2-oxetanon; 3,4-Dimethyloxetane-2-one
EINECS	226-456-0

Quality Control

Our 3,4-Dimethyloxetan-2-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. For long-term storage, it is recommended to keep the material under an inert atmosphere (e.g., nitrogen or argon) at temperatures between 2°C and 8°C to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.