Description

Benzoic Acid, 4,4'-[(9,9-Dioctyl-9H-Fluorene-2,7-Diyl)Di-2,1-Ethynediyl]Bis- is a high-purity, functionalized organic compound designed for advanced material science applications. This specialized chemical serves as a critical building block or intermediate in the synthesis of sophisticated polymers and electronic materials. It is primarily sought after by research institutions and industrial manufacturers developing next-generation organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other organic electronic devices.

Application

• Organic Semiconductor Synthesis: A key monomer or intermediate for constructing conjugated polymers and small molecules used in electronic devices.
• OLED (Organic Light-Emitting Diode) Materials: Used in the development of emissive layer materials, host materials, or electron/hole transport layers for display and lighting technologies.
• OPV (Organic Photovoltaic) Materials: Incorporated into the active layer of solar cells to help absorb light and facilitate charge separation.
• Advanced Polymer Research: Serves as a functional monomer for creating novel polyfluorenes and other π-conjugated polymers with tailored optical and electronic properties.
• Chemical Sensing & Fluorescent Probes: The fluorene and benzoic acid structure makes it suitable for developing sensitive fluorescent chemosensors.
• Academic & Industrial R&D: A valuable reagent for fundamental research in materials chemistry and the prototyping of new electronic components.

Basic Information

Product Name	Benzoic Acid, 4,4'-[(9,9-Dioctyl-9H-Fluorene-2,7-Diyl)Di-2,1-Ethynediyl]Bis-
CAS No.	1313187-39-1
Molecular Formula	C55H60O4
Molecular Weight	785.06 g/mol
Synonyms	4,4'-(9,9-Dioctyl-9H-fluorene-2,7-diyl)bis(ethyne-2,1-diyl)dibenzoic Acid; 2,7-Bis(4-carboxyphenylethynyl)-9,9-dioctylfluorene; 9,9-Dioctyl-2,7-bis[(4-carboxyphenyl)ethynyl]fluorene; Fluorene-based dicarboxylic acid monomer; Dioctylfluorene-dibenzoic acid derivative; Conjugated fluorene-acid monomer; OLED/OPV intermediate 1313187-39-1
EINECS	Contact for details

Quality Control

Our production of this advanced material adheres to stringent quality protocols to ensure batch-to-batch consistency and high performance in sensitive applications. Each lot undergoes comprehensive analysis, including HPLC for purity verification and spectroscopic identification (NMR, IR). A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profiles, and residual solvent content to meet the exacting standards of materials science R&D and production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The material is light-sensitive and should be handled under an inert atmosphere when appropriate for prolonged exposure. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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