Description

4,4'-Dibenzoylquinone Dioxime is a high-purity chemical intermediate and specialty crosslinking agent. This compound is valued for its role in the vulcanization and curing of various elastomers, contributing to enhanced material properties. It is primarily sought by manufacturers in the rubber and polymer industries for producing high-performance seals, gaskets, and specialty molded parts.

Application

• Crosslinking Agent for Elastomers: Functions as a non-sulfur vulcanizing agent for nitrile rubber (NBR), epichlorohydrin rubber (ECO), and other specialty polymers.
• Rubber Compounding: Used to improve the heat resistance, compression set, and aging properties of cured rubber products.
• Wire & Cable Insulation: Imparts excellent electrical properties and thermal stability to insulating and jacketing compounds.
• Automotive Components: Employed in the production of fuel system hoses, seals, and O-rings requiring oil and fuel resistance.
• Industrial Rollers & Belts: Enhances the durability and performance of industrial rubber goods subjected to dynamic stress.
• Adhesive & Sealant Formulations: Acts as a curing agent in select adhesive systems to improve bond strength and chemical resistance.

Basic Information

Product Name	4,4'-Dibenzoylquinone Dioxime
CAS No.	120-52-5
Molecular Formula	C₂₀H₁₄N₂O₄
Molecular Weight	346.34 g/mol
Synonyms	p,p'-Dibenzoylquinone Dioxime; DBQD; Dibenzoyl-p-quinone Dioxime; Vulnoc DQ; Vulnoc DBQD; 1,4-Bis(benzoyloxy)benzene Dioxime; 2,5-Cyclohexadiene-1,4-dione, dioxime, bis-O-benzoate
EINECS	204-404-3

Quality Control

Our 4,4'-Dibenzoylquinone Dioxime is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identification, and impurity profiles is provided with each shipment to guarantee compliance with your technical requirements.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Light yellow to tan powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	200 - 205 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

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