Description

Bis(4-Methoxyphenyl)(4-Nitrophenyl)Phenylphosphonium Bromide is a specialized phosphonium salt with a unique multi-aryl structure, serving as a critical intermediate and catalyst in advanced organic synthesis. Its value lies in its ability to facilitate challenging coupling and polymerization reactions, enabling the production of high-performance materials and fine chemicals. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced polymer industries seeking to develop novel compounds with specific electronic or structural properties.

Application

• Phase-Transfer Catalyst (PTC): Employed in biphasic reaction systems to accelerate alkylation, oxidation, and other nucleophilic substitution reactions.
• Polymerization Initiator/Co-catalyst: Used in the synthesis of specialized polymers, including polyethers and polycarbonates, where controlled molecular weight is critical.
• Organic Synthesis Intermediate: Acts as a key building block for the preparation of more complex phosphonium-based ligands or ionic liquids.
• Photoinitiator Systems: Investigated for use in UV-curable coatings, inks, and adhesives due to its light-sensitive nitroaryl moiety.
• Material Science Research: Utilized in the development of novel ionic materials, liquid crystals, or as a template for molecular imprinting.
• Pharmaceutical Intermediate: Serves in the multi-step synthesis of active pharmaceutical ingredients (APIs) requiring precise phosphonium chemistry.

Basic Information

Product Name	Bis(4-Methoxyphenyl)(4-Nitrophenyl)Phenylphosphonium Bromide
CAS No.	71412-17-4
Molecular Formula	C26H23BrNO4P
Molecular Weight	524.34 g/mol
Synonyms	Bis(p-Methoxyphenyl)(p-Nitrophenyl)Phenylphosphonium Bromide; (4-Methoxyphenyl)(4-Nitrophenyl)(Phenyl)Phosphonium Bromide (bis-substituted); Phenylbis(4-methoxyphenyl)(4-nitrophenyl)phosphonium Bromide; Phosphonium, bis(4-methoxyphenyl)(4-nitrophenyl)phenyl-, bromide; Tetraphenylphosphonium Bromide derivative; Nitro-substituted Phosphonium Salt; Arylphosphonium Bromide Catalyst
EINECS	Contact for details

Quality Control

Our Bis(4-Methoxyphenyl)(4-Nitrophenyl)Phenylphosphonium Bromide is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial synthesis. Each lot is analyzed via HPLC, NMR, and elemental analysis to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support cGMP and ISO 9001 compliant documentation for regulated industry needs.

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). This compound is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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