Description

5,12-Dihydro-5,12-Bis(Phenylethynyl)Naphthacene-5,12-Diol is a specialized organic compound belonging to the class of functionalized naphthacene derivatives. This compound matters as a high-value chemical intermediate and functional material precursor, prized for its unique conjugated structure and diol functionality. It is primarily needed by R&D and production teams in the organic electronics, advanced material science, and pharmaceutical research sectors.

Application

• Organic Semiconductor Precursor: Used in the synthesis of novel organic electronic materials for OLEDs, OFETs, and photovoltaic cells.
• Fluorescent Dye & Pigment Intermediate: Serves as a key building block for developing high-performance, color-stable dyes and pigments.
• Ligand Synthesis for Catalysis: Employed in creating complex ligands for transition metal catalysts used in cross-coupling reactions.
• Pharmaceutical Research Intermediate: Acts as a sophisticated scaffold in medicinal chemistry for the development of new therapeutic agents.
• Polymer & Dendrimer Chemistry: Utilized as a functional monomer or cross-linking agent in the synthesis of advanced polymers with specific optical or electronic properties.
• Academic & Industrial R&D: A valuable compound for fundamental research in organic synthesis, photophysics, and material science.

Basic Information

Product Name	5,12-Dihydro-5,12-Bis(Phenylethynyl)Naphthacene-5,12-Diol
CAS No.	31559-43-0
Molecular Formula	C40H24O2
Molecular Weight	536.62 g/mol
Synonyms	5,12-Bis(phenylethynyl)-5,12-dihydronaphthacene-5,12-diol; 5,12-Bis(phenylethynyl)pentacene-5,12-diol; 5,12-Dihydro-5,12-bis(phenylethynyl)pentacene-5,12-diol; 5,12-Bis(phenylethynyl)pentacenequinone (reduction product); Bis(phenylethynyl)pentacenediol; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our 5,12-Dihydro-5,12-Bis(Phenylethynyl)Naphthacene-5,12-Diol is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency suitable for research and advanced applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and ensure long-term stability. Keep the container in a cool, dry, and well-ventilated place.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.