Description

1,9-Dimethylphenanthrene is a high-purity polycyclic aromatic hydrocarbon (PAH) derivative, serving as a critical intermediate and reference standard in advanced chemical synthesis and analytical research. Its unique dimethyl-substituted phenanthrene structure provides valuable steric and electronic properties for developing specialized materials and studying complex molecular interactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where precise molecular architecture is paramount for innovation.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel drug candidates, particularly those targeting specific receptor sites where the phenanthrene scaffold is active.
• Organic Electronic Materials: Acts as a precursor or dopant in the development of organic semiconductors, light-emitting diodes (OLEDs), and other optoelectronic devices.
• Analytical Reference Standard: Serves as a certified reference material (CRM) for environmental analysis, food safety testing, and petroleum chemistry to quantify and identify PAH contaminants.
• Agrochemical Research: Employed as a building block for creating new active ingredients with tailored properties for crop protection.
• Dye & Pigment Synthesis: Functions as a key intermediate in the production of high-performance dyes and pigments with enhanced stability and color properties.
• Polymer Science: Utilized as a monomer or additive to modify the thermal and mechanical properties of advanced polymeric materials.

Basic Information

Product Name	1,9-Dimethylphenanthrene
CAS No.	20291-73-0
Molecular Formula	C₁₆H₁₄
Molecular Weight	206.28 g/mol
Synonyms	1,9-Dimethylphenanthrene; Phenanthrene, 1,9-dimethyl-; 1,9-DMP; NSC 89266; 1,9-Dimethyl-phenanthrene; 1,9-Dimethylphenanthren; 1,9-Dimethyl-phenanthren; 20291-73-0
EINECS	243-694-1

Quality Control

Our 1,9-Dimethylphenanthrene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with customer specifications and relevant industry standards for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 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.