Description

4-Fluorenecarboxylic Acid Technical 90 is a functionalized polycyclic aromatic compound that serves as a versatile building block in advanced organic synthesis. Its value lies in providing a rigid, planar fluorene scaffold with a reactive carboxylic acid group, enabling the creation of complex molecular architectures. This technical-grade material is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, particularly for developing active ingredients, ligands, and specialty polymers.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: Serves as a precursor for hole-transport materials, emitters, and other components in OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: The carboxylic acid functionality allows for derivatization into chelating ligands for catalytic systems.
• Polymer and Resin Modification: Incorporated into polymer backbones to enhance thermal stability, rigidity, and optical properties.
• Dye and Pigment Manufacturing: Acts as a core structure for developing high-performance fluorescent dyes and pigments.

Basic Information

Product Name	4-Fluorenecarboxylic Acid Technical 90
CAS No.	6954-55-8
Molecular Formula	C14H10O2
Molecular Weight	210.23 g/mol
Synonyms	9H-Fluorene-4-carboxylic Acid; 4-Carboxyfluorene; Fluorene-4-carboxylic Acid; 4-Fluorenylcarboxylic Acid; 4-Fluorenecarboxylic Acid; 4-Fluorencarboxylic Acid; NSC 403697; 4-Fluorene carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Fluorenecarboxylic Acid Technical 90 is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results for assay, related substances, and other critical parameters. Our quality commitment ensures reliable performance for your synthetic processes.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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