Description

Diethyl Oxalate is a versatile organic ester widely used as a key chemical intermediate in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals. Its high reactivity and purity make it an essential building block for producing active pharmaceutical ingredients (APIs) and other high-value compounds. This product is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for its reliable performance in complex organic reactions.

Application

• Pharmaceutical Synthesis: A crucial intermediate in the production of various active pharmaceutical ingredients (APIs), including barbiturates and other heterocyclic compounds.
• Agrochemical Manufacturing: Used in the synthesis of pesticides, herbicides, and fungicides, contributing to crop protection solutions.
• Dye and Pigment Production: Serves as a reactant in the manufacture of organic dyes, pigments, and colorants.
• Perfume and Flavor Industry: Employed as a starting material or intermediate for synthesizing specific fragrance and flavor compounds.
• Plasticizer and Polymer Additive: Acts as a solvent or intermediate in the production of certain plasticizers and polymer materials.
• Chemical Research & Development: Utilized in laboratories as a reagent for organic synthesis, esterification reactions, and transesterification processes.

Basic Information

Product Name	Diethyl Oxalate
CAS No.	95-92-1
Molecular Formula	C6H10O4
Molecular Weight	146.14 g/mol
Synonyms	Diethyl Ethanedioate; Ethyl Oxalate; Oxalic Acid Diethyl Ester; Diethyl Ethanedioate; Ethanedioic Acid, Diethyl Ester; Diethyl Ester of Oxalic Acid; Oxalic Ether
EINECS	202-464-1

Quality Control

Our Diethyl Oxalate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive quality assurance, with products typically meeting ≥99.0% purity specifications suitable for industrial and fine chemical synthesis. Certificates of Analysis (COA) detailing specific assay, identity, and impurity profiles are available upon request for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents, strong bases, and strong acids. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0 %
Water Content (KF)	≤ 0.10 %
Acidity (as Oxalic Acid)	≤ 0.05 %
Refractive Index (n20D)	1.408 - 1.412
Specific Gravity (20/20°C)	1.075 - 1.085

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