Description

4,5-Dimethyl-9H-Fluorene is a high-purity, polycyclic aromatic hydrocarbon derivative characterized by its dimethyl-substituted fluorene core structure. This compound serves as a versatile and critical advanced organic intermediate for the synthesis of complex molecules, particularly in materials science. It is primarily sought after by pharmaceutical research, agrochemical development, and specialty chemical manufacturers for constructing novel organic frameworks.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the development of advanced herbicides, pesticides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials and host materials in OLED device fabrication.
• Organic Semiconductor Research: Serves as a core structure for developing novel charge-transport materials and conductive polymers.
• Liquid Crystal and Dye Manufacturing: Utilized in the synthesis of specialized dyes, pigments, and liquid crystal compounds.
• Laboratory Reagent: Employed in academic and industrial R&D for organic synthesis and mechanistic studies.

Basic Information

Product Name	4,5-Dimethyl-9H-Fluorene
CAS No.	65360-19-2
Molecular Formula	C₁₅H₁₄
Molecular Weight	194.27 g/mol
Synonyms	4,5-Dimethylfluorene; 9H-Fluorene, 4,5-dimethyl-; 4,5-Dimethyl-9H-fluorene; 1,2-Dimethylfluorene; NSC 66490; 4,5-Dimethyl-9H-fluoren; Fluorene, 4,5-dimethyl-
EINECS	Contact for details

Quality Control

Our production of 4,5-Dimethyl-9H-Fluorene adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	115 - 119 °C
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.