Description

2,7-Diethyl-9H-Fluorene is a high-purity, substituted fluorene derivative of significant interest in advanced material synthesis. This compound serves as a critical organic intermediate and building block for creating complex molecular architectures. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise molecular control.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for compounds with rigid, planar structural motifs.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a core structure or functional group donor in the synthesis of host, hole-transport, or emitting materials for display and lighting technologies.
• Liquid Crystal & Electronic Chemicals: Used in the production of advanced liquid crystal compounds and organic semiconductors where its molecular geometry influences self-assembly and charge transport properties.
• Agrochemical Synthesis: Employed as a building block for creating new-generation herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Polymer & Resin Modifier: Incorporated into polymer backbones to alter physical properties such as thermal stability, refractive index, and solubility in high-performance coatings and engineering plastics.
• Research & Development: Essential for academic and industrial research in organic synthesis, materials science, and medicinal chemistry for exploring new chemical entities and functional materials.

Basic Information

Product Name	2,7-Diethyl-9H-Fluorene
CAS No.	39665-90-2
Molecular Formula	C₁₇H₁₈
Molecular Weight	222.33 g/mol
Synonyms	9H-Fluorene, 2,7-diethyl-; 2,7-Diethylfluorene; Diethylfluorene; 2,7-Diethyl-9H-fluorene; 39665-90-2; Fluorene, 2,7-diethyl-; 2,7-Et2Flu; 2,7-Diethyl-9H-fluoren
EINECS	Contact for details

Quality Control

Our 2,7-Diethyl-9H-Fluorene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

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.