Description

9,10-Dihydro-4,5-Dimethylphenanthrene is a high-purity, polycyclic aromatic hydrocarbon derivative of significant interest in advanced organic synthesis and materials science research. This compound serves as a crucial synthetic intermediate and a model substrate for studying hydrogenation, dehydrogenation, and other catalytic processes relevant to petrochemical and fine chemical industries. It is primarily utilized by R&D laboratories and chemical manufacturers specializing in the development of specialty chemicals, advanced materials, and novel pharmaceutical intermediates.

Application

• Organic Synthesis Intermediate: A key building block for the synthesis of complex polycyclic aromatic compounds and their derivatives.
• Materials Science Research: Used in the development and study of organic semiconductors, liquid crystals, and other advanced functional materials.
• Catalysis Studies: Serves as a model substrate for investigating hydrogenation, dehydrogenation, and isomerization catalysts.
• Pharmaceutical Research: Employed as a precursor or intermediate in the research and development of novel active pharmaceutical ingredients (APIs).
• Analytical Reference Standard: Used as a certified reference material (CRM) in gas chromatography (GC) and high-performance liquid chromatography (HPLC) for method development and calibration.
• Petrochemical Research: Applied in studies related to hydrocarbon cracking, reforming, and the chemistry of complex hydrocarbon mixtures.

Basic Information

Product Name	9,10-Dihydro-4,5-Dimethylphenanthrene
CAS No.	1209-83-2
Molecular Formula	C₁₆H₁₆
Molecular Weight	208.30 g/mol
Synonyms	4,5-Dimethyl-9,10-dihydrophenanthrene; 9,10-Dihydro-4,5-dimethylphenanthrene; 1,2,3,4-Tetrahydro-4,5-dimethylphenanthrene; 4,5-Dimethyl-9,10-dihydro-phenanthrene; Dihydrodimethylphenanthrene; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 9,10-Dihydro-4,5-Dimethylphenanthrene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Standard quality parameters include assay (by GC/HPLC), identification (IR), and control of related substances. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC/GC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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