Description

3,4-Bis(3,5-Ditert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Cyclobutane-1,2-Dione is a high-performance, sterically hindered quinone derivative valued for its exceptional stability and unique redox-active properties. This compound serves as a critical intermediate and functional additive in advanced material science and specialty chemical synthesis. It is primarily sought after by R&D laboratories and industrial manufacturers in the polymer, electronics, and fine chemical sectors for developing next-generation stabilizers, dyes, and organic electronic components.

Application

• Polymer Stabilizer Intermediate: A key precursor for synthesizing high-efficiency, hindered phenol-based antioxidants and light stabilizers for plastics and elastomers.
• Organic Semiconductor Research: Used in the development of n-type organic semiconductor materials and charge-transport layers for OLEDs and photovoltaic cells due to its electron-accepting quinone structure.
• Specialty Dye & Pigment Synthesis: Serves as a building block for creating novel, heat-stable quinone-derived dyes and pigments with specific coloristic properties.
• Crosslinking Agent: Functions as a thermally activated crosslinker in the production of high-performance resins and coatings, enhancing durability.
• Chemical Synthesis Reagent: Employed as a versatile reagent in organic synthesis for constructing complex, polycyclic molecular architectures.
• Electrochemical Studies: Utilized as a standard or active material in non-aqueous electrolyte systems for battery and supercapacitor research.

Basic Information

Item	Information
Product Name	3,4-Bis(3,5-Ditert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Cyclobutane-1,2-Dione
CAS No.	61377-19-3
Molecular Formula	C38H48O4
Molecular Weight	568.79 g/mol
Synonyms	3,4-Bis(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)cyclobutane-1,2-dione; 2,2',3,3'-Tetrakis(3,5-di-tert-butyl-4-hydroxyphenyl)succimide (related precursor); 3,4-Bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-1,2-cyclobutanedione; Tetrakis(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)succimide derivative; Quinone Methide Dimer; Sterically Hindered Quinone; CAS 61377-19-3.
EINECS	Contact for details

Quality Control

Our 3,4-Bis(3,5-Ditert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Cyclobutane-1,2-Dione is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Production adheres to cGMP guidelines where applicable. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, extended exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to dark red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.