Description

Ethylene Carbonate (CAS NO 96-49-1) is a high-purity, versatile organic solvent and chemical intermediate with a unique cyclic carbonate structure. Its exceptional solvating power and high dielectric constant make it a critical component in advanced lithium-ion battery electrolytes, directly impacting energy density and performance. This essential chemical is in high demand across the energy storage, polymer synthesis, and specialty chemical manufacturing sectors.

Application

• Lithium-Ion Battery Electrolytes: A primary solvent and co-solvent in formulations for lithium-ion and lithium-polymer batteries, enhancing ionic conductivity and thermal stability.
• Polymer Synthesis: Used as a monomer or reactive intermediate in the production of polycarbonate diols, polyurethanes, and other specialty polymers.
• Chemical Intermediate: Serves as a key building block in organic synthesis for pharmaceuticals, agrochemicals, and fine chemicals.
• Specialty Solvent & Plasticizer: Employed as a polar aprotic solvent for resins, fibers, and dyes, and as a plasticizer for various polymeric matrices.
• Textile & Fiber Treatment: Utilized in processes for modifying synthetic fibers and textiles.
• Gas Separation & Capture: Investigated for use in carbon dioxide (CO2) capture and separation technologies due to its affinity for acid gases.

Basic Information

Product Name	Ethylene Carbonate
CAS No.	96-49-1
Molecular Formula	C3H4O3
Molecular Weight	88.06 g/mol
Synonyms	1,3-Dioxolan-2-one; Ethylene glycol carbonate; Glycol carbonate; Dihydroxyethylene carbonate; 1,2-Ethanediol cyclic carbonate; Carbonic acid ethylene ester; EC (abbreviation)
EINECS	202-510-0

Quality Control

Our Ethylene Carbonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for demanding applications like battery electrolytes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, water content, and impurity profiles. Our quality commitment aligns with the stringent requirements of the battery and pharmaceutical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can degrade product quality.

Specification

Item	Specification
Appearance	Colorless to white crystalline solid or liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 99.5%
Water Content (KF)	≤ 0.05%
Melting Point	36 - 38 °C
Density (at 40°C)	1.320 - 1.330 g/cm³
Acidity (as H+)	≤ 0.005%
Heavy Metals (as Pb)	≤ 5 ppm

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