Description

4-(Diphenylmethylene)-2,5-Cyclohexadiene-1-One is a specialized organic compound belonging to the class of diaryl-substituted cyclohexadienones, serving as a versatile chemical intermediate. Its unique conjugated structure makes it valuable for synthesizing complex molecules, particularly in advanced material science and pharmaceutical research. This product is essential for R&D chemists and process engineers in the fine chemical, agrochemical, and advanced polymer industries seeking to develop novel compounds with specific electronic or structural properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its reactive dienone moiety.
• Advanced Material Precursor: Serves as a monomer or cross-linking agent in the production of specialty polymers and organic electronic materials.
• Photochemical Research: Utilized in studies involving photo-induced reactions and the development of photoresponsive molecules due to its light-sensitive properties.
• Dye and Pigment Intermediate: Acts as a precursor in the manufacture of organic dyes and colorants, contributing to chromophore development.
• Academic and R&D Laboratories: Employed as a reagent for methodological development and exploratory organic synthesis.

Basic Information

Product Name	4-(Diphenylmethylene)-2,5-Cyclohexadiene-1-One
CAS No.	479-71-0
Molecular Formula	C19H14O
Molecular Weight	258.32 g/mol
Synonyms	Benzhydrylidene-2,5-cyclohexadien-1-one; 4-(Diphenylmethylene)-2,5-cyclohexadien-1-one; 1,4-Benzoquinone, 2-(diphenylmethylene)-5-hydroxy-; 2,5-Cyclohexadien-1-one, 4-(diphenylmethylene)-; NSC 406915; p-Quinone methide, α,α-diphenyl-; α,α-Diphenyl-p-quinone methide; Diphenylmethylenebenzoquinone
EINECS	207-543-8

Quality Control

Our 4-(Diphenylmethylene)-2,5-Cyclohexadiene-1-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	142 - 148 °C
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.