Description

Diethyl Carbonate is a versatile organic carbonate ester valued for its excellent solvency and high volatility. It serves as a key intermediate and solvent in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals. This compound is essential for manufacturers in the pharmaceutical, battery electrolyte, and specialty polymer industries seeking a high-purity, reactive building block.

Application

• Pharmaceutical Intermediate: Used in the synthesis of various active pharmaceutical ingredients (APIs) and other fine chemicals.
• Lithium-ion Battery Electrolyte: Acts as a co-solvent in electrolyte formulations for lithium-ion batteries, contributing to improved battery performance and stability.
• Polymer and Resin Production: Employed as a solvent and transesterification agent in the manufacture of polycarbonates and other specialty polymers.
• Agrochemical Synthesis: Serves as an intermediate in the production of pesticides, herbicides, and fungicides.
• Organic Synthesis Solvent: An effective solvent for Grignard reactions, alkylations, and other organic transformations due to its high boiling point and stability.
• Flavor and Fragrance Industry: Used as a flavoring agent due to its fruity odor, and as a solvent for fragrance compounds.
• Surface Coatings: Functions as a solvent in specialty coatings and paint strippers where high volatility is required.

Basic Information

Product Name	Diethyl Carbonate
CAS No.	105-58-8
Molecular Formula	C5H10O3
Molecular Weight	118.13 g/mol
Synonyms	Ethyl Carbonate; Carbonic Acid Diethyl Ester; DEC; Diethyloxymethanone; Eufin; Ethoxyformic Acid Ethyl Ester
EINECS	203-311-1

Quality Control

Our Diethyl Carbonate is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.5%
Water Content (KF)	≤ 0.05%
Acidity (as Acetic Acid)	≤ 0.02%
Specific Gravity (20/20°C)	0.974 - 0.976
Refractive Index (20°C)	1.384 - 1.386
Boiling Point	126 - 128°C

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