Description

9H-Fluorene-2,7-Dicarboxylic Acid, 9,9-Dipropyl- is a high-purity, functionalized fluorene derivative serving as a critical advanced intermediate in organic synthesis. Its value lies in its rigid, conjugated backbone and strategically positioned carboxylic acid groups, which enable precise molecular engineering for high-performance materials. This compound is essential for R&D and production teams in the pharmaceutical, agrochemical, and organic electronics sectors seeking to develop novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a rigid, planar core structure.
• Organic Light-Emitting Diode (OLED) Materials: Used in the development of electron-transport layers (ETLs) and host materials for blue and green emitters due to its favorable electronic properties and thermal stability.
• Polymer & Material Science: Acts as a monomer for creating high-performance polyimides, polyamides, and other specialty polymers with enhanced thermal and mechanical properties.
• Agrochemical Synthesis: Employed as an intermediate in the research and production of advanced herbicides and plant growth regulators.
• Ligand & Catalyst Design: The carboxylic acid groups allow for functionalization into complex chelating ligands used in homogeneous catalysis and metal-organic frameworks (MOFs).
• Fluorescent Dyes & Sensors: Utilized as a core structure in the synthesis of fluorescent probes and molecular sensors for analytical and diagnostic applications.

Basic Information

Product Name	9H-Fluorene-2,7-Dicarboxylic Acid, 9,9-Dipropyl-
CAS No.	204265-35-0
Molecular Formula	C21H22O4
Molecular Weight	338.40 g/mol
Synonyms	9,9-Dipropyl-9H-fluorene-2,7-dicarboxylic acid; 2,7-Fluorenedicarboxylic acid, 9,9-dipropyl-; 9,9-Dipropylfluorene-2,7-dicarboxylic Acid; Dipropylfluorenedicarboxylic Acid; 9H-Fluorene-2,7-dicarboxylic acid, 9,9-dipropyl-; 9,9-Di-n-propyl-9H-fluorene-2,7-dicarboxylic acid
EINECS	Contact for details

Quality Control

Our production of 9H-Fluorene-2,7-Dicarboxylic Acid, 9,9-Dipropyl- adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and FT-IR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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