Description

9H-Fluorene-2,7-Dicarboxylic Acid, 9-Oxo-, Dipropyl Ester is a high-purity, functionalized fluorene derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its rigid, planar fluorene core and strategically positioned ester groups, which enable precise molecular engineering. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure for electron-transporting or host materials in display and lighting technologies.
• Agrochemical Synthesis: Used in creating advanced herbicides and fungicides with enhanced efficacy and environmental profiles.
• Polymer & Resin Modifier: Incorporated into specialty polymers to improve thermal stability, mechanical strength, and optical properties.
• Liquid Crystal & Electro-Optic Materials: A building block for high-performance liquid crystal compounds used in displays and optical devices.
• Academic & Industrial Research: Essential reagent for exploring new organic reactions and developing novel functional materials.

Basic Information

Product Name	9H-Fluorene-2,7-Dicarboxylic Acid, 9-Oxo-, Dipropyl Ester
CAS No.	42946-69-0
Molecular Formula	C21H20O5
Molecular Weight	352.38 g/mol
Synonyms	2,7-Bis(propoxycarbonyl)-9H-fluoren-9-one; 9-Oxo-9H-fluorene-2,7-dicarboxylic Acid Dipropyl Ester; Dipropyl 9-Oxo-9H-fluorene-2,7-dicarboxylate; Fluorenone-2,7-dicarboxylic Acid Dipropyl Ester; 2,7-Dipropoxycarbonylfluoren-9-one; 9-Fluorenone-2,7-dicarboxylic Acid Dipropyl Ester; CAS 42946-69-0
EINECS	Contact for details

Quality Control

Our 9H-Fluorene-2,7-Dicarboxylic Acid, 9-Oxo-, Dipropyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and 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. The compound is light-sensitive (store away from light).

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%
Heavy Metals (as Pb)	≤ 20 ppm

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