Description

2,9-/4,9-Dimethylphenanthrene CAS NO 66291-34-7 is a high-purity dimethylated phenanthrene derivative, a valuable polycyclic aromatic hydrocarbon (PAH) intermediate. This compound is essential for advanced organic synthesis and materials science research, offering a defined molecular structure for precise chemical transformations. It is primarily sought by R&D laboratories and industrial manufacturers in the fields of organic electronics, specialty polymers, and advanced material precursors.

Application

• Organic Semiconductor Research: Serves as a key building block or dopant in the development of novel organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs).
• Specialty Polymer Synthesis: Used as a monomer or co-monomer to create polymers with specific thermal, optical, or electronic properties.
• Liquid Crystal & Dye Intermediates: Acts as a precursor in the synthesis of complex aromatic structures for advanced dyes and liquid crystal materials.
• Catalyst Ligand Development: Provides a rigid, aromatic framework for the design of novel ligands in homogeneous catalysis.
• Analytical Reference Standard: Employed as a high-purity standard in environmental, petrochemical, and forensic analysis for PAH detection and quantification.
• Photochemical & Electrochemical Studies: Utilized in fundamental research to study electron transfer processes and photophysical properties of aromatic systems.

Basic Information

Product Name	2,9-/4,9-Dimethylphenanthrene
CAS No.	66291-34-7
Molecular Formula	C₁₆H₁₄
Molecular Weight	206.29 g/mol
Synonyms	Dimethylphenanthrene (mixed isomers); 2,9-Dimethylphenanthrene; 4,9-Dimethylphenanthrene; 2,9-/4,9-DMP; Phenanthrene, dimethyl-; NSC 66499; PAH Derivative; Aromatic Hydrocarbon Intermediate
EINECS	Contact for details

Quality Control

Our 2,9-/4,9-Dimethylphenanthrene is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high chemical purity and isomer consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and meet the exacting standards of research and industrial applications.

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, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Total Isomers)
Isomer Ratio (GC/HPLC)	Specified on COA
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residue on Ignition	< 0.1%

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