Description

Oxalic Acid Bis(4-Methylphenyl) Ester is a specialized organic ester compound, also known as di-p-tolyl oxalate. This chemical serves as a key intermediate and functional additive in advanced material synthesis and specialty polymer formulations. Its molecular structure makes it valuable for applications requiring specific thermal properties or reactivity in cross-linking processes. Industries involved in polymer research, liquid crystal development, and fine chemical manufacturing are the primary users of this high-purity intermediate.

Application

• Polymer Chemistry: Acts as a monomer or chain extender in the synthesis of high-performance polyesters and polycarbonates.
• Liquid Crystal Materials: Used as a core component or intermediate in the production of liquid crystal displays (LCDs) and optical films.
• Pharmaceutical Intermediates: Serves as a building block in the multi-step synthesis of complex active pharmaceutical ingredients (APIs).
• Cross-linking Agent: Functions as a cross-linker in epoxy resin systems and other thermosetting polymers to enhance mechanical strength.
• Organic Synthesis: Employed as a versatile reagent in organic reactions, including esterifications and transesterifications.
• Specialty Plasticizers: Investigated for use as a specialty plasticizer to modify the flexibility and processing of certain polymers.

Basic Information

Item	Details
Product Name	Oxalic Acid Bis(4-Methylphenyl) Ester
CAS No.	63867-33-4
Molecular Formula	C₁₆H₁₄O₄
Molecular Weight	270.28 g/mol
Synonyms	Di-p-tolyl oxalate; Bis(4-methylphenyl) oxalate; Oxalic acid di-p-tolyl ester; p-Tolyl oxalate; 4-Methylphenyl oxalate; Ditolyl oxalate; 1,4-Dimethylphenyl oxalate; Oxalic acid bis(4-tolyl) ester
EINECS	Contact for details

Quality Control

Our Oxalic Acid Bis(4-Methylphenyl) Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) documenting purity, physical characteristics, and test results are provided with every shipment and are available upon request.

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 strong acids, strong bases, and oxidizing agents. The compound may be moisture-sensitive; ensure containers are sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.