Description

o-Phenylene Dibenzoate is a high-purity organic chemical compound valued for its role as a versatile intermediate and performance additive. This compound is critical for manufacturers requiring precise chemical building blocks to enhance product stability and functionality. It finds essential applications in the production of advanced polymers, specialty plasticizers, and fine chemicals for the pharmaceutical and agrochemical sectors.

Application

• Polymer Modification: Acts as a monomer or additive to improve the thermal stability and mechanical properties of engineering plastics and high-performance resins.
• Plasticizer Intermediate: Serves as a key precursor in the synthesis of specialized, high-molecular-weight plasticizers for sensitive polymer applications.
• Pharmaceutical Synthesis: Utilized as a protected intermediate or building block in the multi-step synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Formulations: Employed in the development of advanced crop protection agents and pesticide formulations.
• Liquid Crystal Materials: Used in the research and production of components for liquid crystal displays (LCDs) and other electronic materials.
• Cross-linking Agent: Functions in the creation of cross-linked polymer networks for coatings, adhesives, and composite materials.
• Organic Synthesis Reagent: Provides a benzoate-protecting group or a rigid aromatic unit in complex organic synthesis for R&D and fine chemical production.

Basic Information

Product Name	o-Phenylene Dibenzoate
CAS No.	643-94-7
Molecular Formula	C20H14O4
Molecular Weight	318.32 g/mol
Synonyms	1,2-Phenylenedibenzoate; o-Dihydroxybenzene Dibenzoate; Catechol Dibenzoate; 1,2-Benzenediol, 1,2-Dibenzoate; Benzocatechol; Dibenzoate of Pyrocatechol; NSC 403107; o-Dibenzoyloxybenzene
EINECS	211-423-8

Quality Control

Our o-Phenylene Dibenzoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research use. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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 sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	142 - 146 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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