Description

Bis(4-Bromophenyl)Phenylphosphine Oxide is a specialized organophosphorus compound featuring a phosphine oxide core flanked by brominated aromatic rings. This molecular structure makes it a valuable intermediate and ligand precursor in advanced synthetic chemistry. It is particularly sought after by research and development teams in the pharmaceutical and materials science sectors for constructing complex molecules and functional materials. Its utility stems from the combination of the electron-withdrawing phosphine oxide group and the reactive bromine substituents.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring phosphine oxide or bromoaryl motifs.
• Ligand Synthesis: Acts as a precursor for the preparation of sophisticated phosphine ligands used in transition metal catalysis, such as cross-coupling reactions.
• Flame Retardant Synthon: Used in the development and production of brominated flame retardants and additives for polymers and engineering plastics.
• Materials Science Research: Employed in the creation of novel organic electronic materials, including ligands for OLEDs and photovoltaics.
• Agrochemical Development: Functions as an intermediate in the synthesis of modern crop protection agents and pesticides.
• Academic & Industrial R&D: A crucial reagent for method development and exploratory chemistry in both university and corporate research laboratories.

Basic Information

Product Name	Bis(4-Bromophenyl)Phenylphosphine Oxide
CAS No.	93869-52-4
Molecular Formula	C18H13Br2OP
Molecular Weight	444.08 g/mol
Synonyms	Phenylbis(4-bromophenyl)phosphine oxide; (4-Bromophenyl)phenylphosphinic acid, 4-bromophenyl ester; Phosphine oxide, P,P-bis(4-bromophenyl)-P-phenyl-; Bis(p-bromophenyl)phenylphosphine oxide; Phenylbis(p-bromophenyl)phosphine oxide; 93869-52-4; BBPO (abbreviation)
EINECS	Contact for details

Quality Control

Our production of Bis(4-Bromophenyl)Phenylphosphine Oxide adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We support cGMP and ISO 9001 standards for traceability and quality management.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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