Description

(2-Nitrobenzyl)Triphenylphosphonium Bromide Monohydrate is a specialized organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable phosphonium ylide precursor, facilitating critical carbon-carbon bond-forming reactions like the Wittig olefination. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for constructing complex molecular architectures.

Application

• Wittig Reaction Reagent: Serves as a precursor for generating stabilized ylides used in the synthesis of alkenes, particularly those bearing nitroaromatic substituents.
• Pharmaceutical Intermediate: Employed in the research and development of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in constructing key intermediates for crop protection agents and other specialty chemicals.
• Material Science Research: Acts as a building block in the development of novel organic materials and ligands for catalysis.
• Academic & Industrial R&D: A valuable tool for synthetic organic chemists in both university laboratories and industrial R&D facilities for method development and scale-up studies.

Basic Information

Product Name	(2-Nitrobenzyl)Triphenylphosphonium Bromide Monohydrate
CAS No.	23308-83-0
Molecular Formula	C25H21BrNO3P • H2O
Molecular Weight	512.33 g/mol (Monohydrate)
Synonyms	(2-Nitrobenzyl)triphenylphosphonium bromide hydrate; (o-Nitrobenzyl)triphenylphosphonium bromide monohydrate; Phosphonium, (2-nitrobenzyl)triphenyl-, bromide, monohydrate; Triphenyl(2-nitrobenzyl)phosphonium bromide monohydrate; (2-Nitrobenzyl)triphenylphosphonium bromide water; P-(2-Nitrobenzyl)triphenylphosphonium bromide hydrate
EINECS	Contact for details

Quality Control

Our (2-Nitrobenzyl)Triphenylphosphonium Bromide Monohydrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Water Content (KF)	3.0 - 4.5% (Theoretical for monohydrate: ~3.5%)
Melting Point	Contact for details

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