Description

2,9-/4,9-Dimethylphenanthrene is a high-purity dimethylated derivative of phenanthrene, a polycyclic aromatic hydrocarbon (PAH) of significant industrial and research interest. This compound serves as a critical advanced intermediate and reference standard for the synthesis of complex organic materials and for analytical calibration. It is essential for R&D laboratories and manufacturers in the fields of organic electronics, advanced material science, and petroleum geochemistry.

Application

• Organic Semiconductor Research: Acts as a precursor or model compound for developing novel organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs).
• Material Science: Used in the synthesis of specialized ligands, liquid crystals, and other functional organic materials with tailored properties.
• Analytical Reference Standard: Serves as a high-purity calibration standard in Gas Chromatography-Mass Spectrometry (GC-MS) for the identification and quantification of PAHs in environmental and petrochemical samples.
• Geochemical Marker: Employed in petroleum geochemistry studies as a specific biomarker to understand thermal maturity and depositional environments of crude oils.
• Photochemical Studies: Utilized in research investigating the photophysical and photochemical properties of alkylated PAHs.
• Fine Chemical Synthesis: Functions as a building block for the preparation of more complex pharmaceutical intermediates or specialty chemicals.

Basic Information

Product Name	2,9-/4,9-Dimethylphenanthrene
CAS No.	17980-09-5
Molecular Formula	C16H14
Molecular Weight	206.28 g/mol
Synonyms	Dimethylphenanthrene (mixed isomers); 2,9-Dimethylphenanthrene; 4,9-Dimethylphenanthrene; 2,9-DMP; 4,9-DMP; Phenanthrene, dimethyl-; NSC 163990
EINECS	Contact for details

Quality Control

Our 2,9-/4,9-Dimethylphenanthrene is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC and GC-MS, to ensure high chemical purity and accurate isomer identification. Certificates of Analysis (COA) detailing purity, isomer ratio, and impurity profiles are provided with every shipment to guarantee traceability and compliance with your research or production specifications.

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). This compound is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Total Dimethylphenanthrene Isomers)
Isomer Ratio (GC-MS)	Specified upon request
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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