Description

cis-2,5-Dimethyloxolane is a high-purity, highly volatile cyclic ether solvent with the CAS number 2144-41-4. It serves as a valuable, low-boiling alternative to traditional ethers like THF, offering excellent solvency for a wide range of polymers, resins, and organic compounds. This chemical is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking efficient reaction media and extraction solvents.

Application

• Pharmaceutical Intermediate Synthesis: Used as a reaction solvent and building block in the synthesis of active pharmaceutical ingredients (APIs).
• Polymer & Resin Processing: Acts as an effective solvent for cellulose derivatives, coatings, and adhesives due to its strong solvating power.
• Chemical Extraction & Purification: Employed in liquid-liquid extraction processes for the isolation and purification of natural products and fine chemicals.
• Agrochemical Formulation: Serves as a carrier solvent in the production of pesticides and herbicides.
• Laboratory Research: A versatile solvent for organic synthesis, chromatography, and spectroscopic analysis in R&D settings.
• Electrolyte Component: Investigated for use as a co-solvent in advanced battery electrolyte formulations.

Basic Information

Product Name	cis-2,5-Dimethyloxolane
CAS No.	2144-41-4
Molecular Formula	C6H12O
Molecular Weight	100.16 g/mol
Synonyms	cis-2,5-Dimethyltetrahydrofuran; 2,5-Dimethyloxolane; 2,5-Dimethyltetrahydrofuran; 2,5-Dimethyl-THF; 2,5-Dimethyloxacyclopentane; 2,5-Dimethyltetrahydrofuran (cis-); Tetrahydro-2,5-dimethylfuran
EINECS	218-391-5

Quality Control

Every batch of cis-2,5-Dimethyloxolane is produced and tested under a stringent quality management system. We ensure compliance with relevant industry standards, and comprehensive testing is performed to verify identity, purity, and physical properties. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and product consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and ignition points. Due to its highly volatile nature, keep containers tightly sealed when not in use to prevent evaporation and concentration of peroxides. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.408 - 1.412
Density (g/mL at 20°C)	0.820 - 0.830
Boiling Point	92 - 94 °C

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