Description

Tributyl(p-Nitrobenzyl)Phosphonium Bromide is a versatile quaternary phosphonium salt with a reactive nitrobenzyl moiety. This compound is valued as a key intermediate in organic synthesis, particularly for the preparation of Wittig reagents and as a phase-transfer catalyst. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce p-nitrobenzyl groups or create complex molecular architectures. Its utility is driven by its role in facilitating challenging carbon-carbon bond formations.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Wittig Reaction Reagent: Used to generate stabilized ylides for the stereoselective synthesis of alkenes in fine chemical production.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, improving yields in alkylation and other key industrial processes.
• Agrochemical Synthesis: Employed in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Acts as a precursor or modifier in the development of advanced polymers and functional materials.
• Academic & R&D Laboratories: A valuable tool for methodological development and exploratory organic synthesis in research institutions.

Basic Information

Product Name	Tributyl(p-Nitrobenzyl)Phosphonium Bromide
CAS No.	6140-98-3
Molecular Formula	C19H33BrNO2P
Molecular Weight	418.35 g/mol
Synonyms	Tributyl(4-nitrobenzyl)phosphonium bromide; (4-Nitrobenzyl)tripentylphosphonium bromide; Phosphonium, tributyl(4-nitrobenzyl)-, bromide; p-Nitrobenzyltributylphosphonium bromide; Tributyl-(4-nitro-benzyl)-phosphonium bromide; NSC 163082; (p-Nitrobenzyl)tributylphosphonium bromide
EINECS	Contact for details

Quality Control

Our Tributyl(p-Nitrobenzyl)Phosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

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	≤ 1.0%
Heavy Metals	< 20 ppm

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