Description

3,5-Dimethyltetrahydrofuran-2-One is a high-purity, versatile lactone derivative with significant utility in advanced organic synthesis. This compound serves as a critical chiral building block and solvent for the production of fine chemicals and active pharmaceutical ingredients (APIs). It is essential for research and manufacturing in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides requiring specific stereochemistry.
• Flavor & Fragrance Ingredient: Acts as a precursor for lactone-based flavor compounds and aroma chemicals.
• Polymer Chemistry: Serves as a monomer or co-monomer for specialized biodegradable polymers and resins.
• Organic Solvent: Employed as a polar aprotic solvent for reactions sensitive to protic conditions.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	3,5-Dimethyltetrahydrofuran-2-One
CAS No.	5145-01-7
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	3,5-Dimethyl-2-oxotetrahydrofuran; 3,5-Dimethyldihydrofuran-2(3H)-one; 3,5-Dimethylbutyrolactone; 3,5-Dimethyl-γ-butyrolactone; NSC 403697; Dihydro-3,5-dimethyl-2(3H)-furanone; Tetrahydro-3,5-dimethyl-2-furanone
EINECS	225-904-8

Quality Control

Our 3,5-Dimethyltetrahydrofuran-2-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) with detailed specifications are provided for full traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.430 - 1.435
Specific Gravity (20°C)	1.020 - 1.050

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