Description

(4-Bromophenyl)Phosphinic Acid is a versatile organophosphorus compound characterized by a phosphinic acid group attached to a brominated phenyl ring, serving as a key synthetic intermediate. This compound matters for its dual functionality, where the bromine atom offers a site for cross-coupling reactions and the phosphinic acid group acts as a ligand precursor or a building block for more complex phosphorus-containing molecules. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients, catalysts, and advanced materials.

Application

• As a crucial pharmaceutical intermediate in the synthesis of novel drug candidates, particularly those targeting metabolic and neurological disorders.
• As a ligand precursor in catalysis for cross-coupling reactions (e.g., Suzuki, Heck) essential in fine chemical synthesis.
• As a key building block in the development of flame retardants and polymer additives, leveraging its phosphorus content.
• In agrochemical research for creating new herbicides and plant growth regulators with modified activity profiles.
• As a starting material for synthesizing metal-organic frameworks (MOFs) and other advanced functional materials.
• For the preparation of corrosion inhibitors and specialty surfactants in industrial formulations.

Basic Information

Product Name	(4-Bromophenyl)Phosphinic Acid
CAS No.	39238-95-4
Molecular Formula	C6H6BrO2P
Molecular Weight	221.00 g/mol
Synonyms	p-Bromophenylphosphinic Acid; (4-Bromophenyl)phosphonic Acid (common misnomer); 4-Bromobenzene phosphinic acid; Phosphinic acid, P-(4-bromophenyl)-; (p-Bromophenyl)phosphinic Acid; 4-Bromophenylphosphinic Acid; (4-Bromophenyl)hydroxyphosphine oxide
EINECS	Contact for details

Quality Control

Our (4-Bromophenyl)Phosphinic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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