Description

3,9-Dimethylphenanthrene is a polycyclic aromatic hydrocarbon (PAH) derivative of phenanthrene, distinguished by its specific methyl group substitution pattern. This compound serves as a valuable high-purity intermediate and reference standard for advanced chemical synthesis and analytical research. It is primarily required by industries focused on materials science, organic electronics, and analytical chemistry, where precise molecular structure is critical for performance and development.

Application

• Organic Semiconductor Research: Used as a building block or dopant in the development of novel organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs).
• Analytical Reference Standard: Serves as a certified reference material (CRM) for the calibration of instruments and quantification of PAHs in environmental, food, and industrial hygiene testing.
• Advanced Material Synthesis: Acts as a key precursor or intermediate in the synthesis of specialized ligands, liquid crystals, and other functional organic materials.
• Photochemical Studies: Employed in research investigating photophysical properties, photodegradation pathways, and the behavior of methylated PAHs under light exposure.
• Geochemical Marker: Utilized in petroleum and environmental geochemistry as a diagnostic compound for studying thermal maturity and source rock identification.

Basic Information

Item	Details
Product Name	3,9-Dimethylphenanthrene
CAS No.	66291-32-5
Molecular Formula	C₁₆H₁₄
Molecular Weight	206.29 g/mol
Synonyms	3,9-Dimethylphenanthrene; Phenanthrene, 3,9-dimethyl-; 3,9-DMP; 3,9-Dimethyl-phenanthrene; 3,9-DMPH; 3,9-DMPN; 3,9-Dimethylphenanthren; 3,9-DMPA
EINECS	Contact for details

Quality Control

Our 3,9-Dimethylphenanthrene is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC-MS, and NMR, to ensure high chemical purity and structural identity. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting all critical quality parameters. Our production adheres to cGMP principles where applicable, ensuring traceability and consistency for research and industrial applications.

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). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.