Description

4-Carboxybenzediazonium Tetrafluoroborate is a versatile diazonium salt derivative, primarily valued as a key aryl diazonium precursor for surface modification and covalent functionalization. Its significance lies in enabling the formation of stable, covalently bonded organic layers on conductive and semiconductive materials through electrochemical or spontaneous grafting. This product is essential for researchers and manufacturers in the fields of advanced materials science, electrochemistry, and sensor development, where precise surface engineering is required.

Application

• Surface Modification of Electrodes: Used for the covalent attachment of organic layers to gold, carbon, silicon, and ITO surfaces to create tailored interfaces.
• Biosensor and Chemosensor Fabrication: Serves as a linker molecule for immobilizing biomolecules (e.g., enzymes, antibodies) or receptor units onto transducer surfaces.
• Corrosion Inhibition: Applied to form protective organic films on metal surfaces, such as steel or copper, to enhance corrosion resistance.
• Molecular Electronics: Acts as a building block for creating self-assembled monolayers (SAMs) in the construction of molecular junctions and electronic devices.
• Polymer Functionalization: Employed to introduce carboxylic acid groups onto polymer backbones or nanoparticles for further conjugation reactions.
• Catalyst Immobilization: Used to tether catalytic complexes to solid supports for creating heterogeneous catalysts.

Basic Information

Product Name	4-Carboxybenzediazonium Tetrafluoroborate
CAS No.	456-25-7
Molecular Formula	C7H5BF4N2O2
Molecular Weight	239.93 g/mol
Synonyms	4-Carboxybenzenediazonium Tetrafluoroborate; p-Carboxybenzenediazonium Tetrafluoroborate; 4-Diazoniobenzoate Tetrafluoroborate; Benzoic acid, 4-diazonium-, tetrafluoroborate(1-); p-Diazoniobenzoic Acid Tetrafluoroborate; Diazonium Salt of p-Aminobenzoic Acid Tetrafluoroborate
EINECS	Contact for details

Quality Control

Our 4-Carboxybenzediazonium Tetrafluoroborate is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including NMR, FT-IR, and HPLC analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your research and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Solubility	Soluble in polar aprotic solvents (e.g., DMF, DMSO, Acetonitrile)

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