Description

Diphenic Anhydride is a high-purity organic chemical intermediate characterized by its reactive anhydride functional group. This compound is valued for its role as a versatile building block in the synthesis of advanced polymers, pharmaceuticals, and specialty chemicals. It is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and polymer industries seeking to develop high-performance materials and active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and complex drug molecules.
• Polymer & Resin Production: Used as a monomer or curing agent in the manufacture of polyimides, epoxy resins, and other high-temperature, high-performance polymers.
• Agrochemical Synthesis: Serves as a building block for creating advanced herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Employed in the production of specialized organic dyes and colorants.
• Liquid Crystal & OLED Materials: A valuable intermediate for synthesizing compounds used in electronic display technologies.
• Cross-linking Agent: Utilized to modify and improve the properties of coatings, adhesives, and composite materials.
• Research & Development: A critical reagent in organic chemistry research for constructing complex molecular architectures.

Basic Information

Product Name	Diphenic Anhydride
CAS No.	6050-13-1
Molecular Formula	C14H8O3
Molecular Weight	224.21 g/mol
Synonyms	Diphenic Acid Anhydride; 2,2'-Biphenyldicarboxylic Anhydride; 2,2'-Bibenzoic Acid Anhydride; Biphenyl-2,2'-dicarboxylic Anhydride; 2,2'-Diphenic Anhydride; 2,2'-Biphenylcarboxylic Acid Anhydride; 2,2'-Bibenzoic Anhydride; Biphenyl-2,2'-dicarboxylic Acid Cyclic Anhydride
EINECS	227-966-5

Quality Control

Our Diphenic Anhydride is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, IR, and titration methods, to confirm identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting full specifications 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, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent degradation from atmospheric moisture and light exposure.

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	≤ 1.0%
Heavy Metals	< 20 ppm

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