Description

4,4′-Diphenoquinone (Dq) is an important quinone derivative and a versatile chemical intermediate. Its unique structure makes it valuable for synthesizing advanced materials and functional chemicals. This compound is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical research sectors for its role in creating high-performance products.

Application

• Polymer Chemistry: Acts as a key monomer or cross-linking agent in the synthesis of high-performance polymers and resins.
• Electronics Industry: Used in the development of organic semiconductors and conductive materials for electronic applications.
• Pharmaceutical Research: Serves as a crucial building block (intermediate) in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Employed as a precursor for producing specialized quinone-based dyes and organic pigments.
• Antioxidant Synthesis: Utilized in the production of sterically hindered phenolic antioxidants for plastics and rubber stabilization.
• Academic & Industrial R&D: Serves as a standard or reagent in chemical research for oxidation studies and material science projects.

Basic Information

Product Name	4,4′-Diphenoquinone (Dq)
CAS No.	494-72-4
Molecular Formula	C18H10O2
Molecular Weight	258.27 g/mol
Synonyms	4,4'-Diphenoquinone; DQ; p,p'-Diphenoquinone; 4,4'-Biphenoquinone; 4,4'-Dihydroxybiphenyl Quinone; 4,4'-Biphenyldione; Bis(4-hydroxyphenyl) Quinone
EINECS	207-799-7

Quality Control

Our 4,4′-Diphenoquinone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your requirements.

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 easily oxidized; for long-term storage, consider an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange 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.