Description

Oxalic Acid Diphenyl Ester is a high-purity organic ester compound, also known as diphenyl oxalate. This chemical serves as a versatile intermediate and a key reagent in specialized organic synthesis, valued for its role in constructing complex molecular architectures. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in the production of certain herbicides, fungicides, and plant growth regulators.
• Polymer & Materials Science: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and advanced materials.
• Chemical Research & Development: Employed as a reagent in organic synthesis for academic research and process development in fine chemicals.
• Dye & Pigment Manufacturing: Serves as an intermediate in the synthesis of specific organic dyes and colorants.
• Chelating Agent Precursor: Used in the production of compounds with metal-chelating properties.

Basic Information

Product Name	Oxalic Acid Diphenyl Ester
CAS No.	3155-16-6
Molecular Formula	C14H10O4
Molecular Weight	242.23 g/mol
Synonyms	Diphenyl Oxalate; Phenyl Oxalate; Oxalic Acid Phenyl Ester; Diphenyl Ethanedioate; Oxalic Acid Diphenyl Ester; Ethanedioic Acid Diphenyl Ester; Bis(phenyl) Oxalate; Phenyl Oxaloate
EINECS	221-605-8

Quality Control

Our Oxalic Acid Diphenyl Ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, appearance, and other critical parameters is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	136 - 140 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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