Description

4-Bromophenyl Phosphonic Acid, 98 % is a high-purity organophosphorus compound that serves as a versatile and critical building block in advanced chemical synthesis. Its value lies in its bifunctional structure, featuring both a phosphonic acid group and a brominated aromatic ring, enabling its use in coupling reactions and as a precursor for functional materials. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require reliable, high-quality intermediates for developing new active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting bone diseases or requiring phosphonate-based bioisosteres.
• Agrochemical Synthesis: Used in the production of herbicides, plant growth regulators, and other crop protection agents that utilize phosphonic acid chemistry.
• Ligand and Catalyst Preparation: Serves as a precursor for creating specialized ligands used in metal catalysis and cross-coupling reactions (e.g., Suzuki, Heck).
• Metal-Organic Framework (MOF) Synthesis: Acts as an organic linker in the construction of porous coordination polymers and advanced materials for gas storage or separation.
• Surface Modification Agent: Used to functionalize metal oxides and other surfaces to alter wettability, corrosion resistance, or adhesion properties.
• Flame Retardant Precursor: Incorporated into polymers and resins to develop flame-retardant materials with enhanced thermal stability.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic and organometallic reactions.

Basic Information

Product Name	4-Bromophenyl Phosphonic Acid, 98 %
CAS No.	16839-13-7
Molecular Formula	C6H6BrO3P
Molecular Weight	236.99 g/mol
Synonyms	(4-Bromophenyl)phosphonic Acid; p-Bromophenylphosphonic Acid; 4-Bromobenzene phosphonic Acid; Phosphonic acid, P-(4-bromophenyl)-; NSC 402106; 16839-13-7; p-Bromophenylphosphonic acid
EINECS	240-876-8

Quality Control

Our 4-Bromophenyl Phosphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and titration, to ensure the 98% minimum purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your project specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic). Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	Contact for details
Loss on Drying	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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