Description

(3-Bromobutyl)Triphenylphosphonium Bromide is a high-purity, organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a versatile Wittig reagent, enabling the efficient formation of carbon-carbon double bonds to construct complex olefinic structures. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for R&D and scale-up production.

Application

• Wittig Olefination Reactions: A fundamental reagent for the synthesis of alkenes from carbonyl compounds, crucial for constructing pharmaceutical intermediates and natural products.
• Pharmaceutical Intermediate Synthesis: Used in the production of active pharmaceutical ingredients (APIs) and complex drug candidates, particularly those containing specific olefin functionalities.
• Agrochemical Manufacturing: Employed in the synthesis of pesticide and herbicide intermediates that require precise alkene geometry.
• Material Science Research: Serves as a precursor or modifying agent in the development of specialty polymers and functional organic materials.
• Academic & Industrial R&D: A staple in research laboratories for method development and exploring new synthetic pathways in organic chemistry.
• Fine Chemical Production: Integral to the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	(3-Bromobutyl)Triphenylphosphonium Bromide
CAS No.	132256-97-4
Molecular Formula	C22H23Br2P
Molecular Weight	478.20 g/mol
Synonyms	Triphenyl(3-bromobutyl)phosphonium bromide; 3-Bromobutyltriphenylphosphonium bromide; (3-Bromobutyl)-triphenylphosphonium bromide; Phosphonium, (3-bromobutyl)triphenyl-, bromide (1:1); Butyl, 3-bromo-, triphenylphosphonium bromide
EINECS	Contact for details

Quality Control

Every batch of (3-Bromobutyl)Triphenylphosphonium Bromide is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemicals and pharmaceutical intermediates. Comprehensive analytical testing, including NMR, HPLC, and elemental analysis, is performed to guarantee identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment to support your quality assurance protocols.

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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in a desiccator to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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