Description

(4-Bromobutyl)Triphenylphosphonium Bromide is a high-purity, versatile organophosphorus reagent widely used in synthetic organic chemistry. Its primary value lies in its role as a key Wittig reagent for the synthesis of alkenes and other complex organic molecules, enabling precise carbon-carbon bond formation. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries who require reliable, high-quality building blocks for complex synthesis.

Application

• Wittig Reaction Reagent: A crucial precursor for generating phosphorus ylides used in the synthesis of alkenes from carbonyl compounds.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Synthesis: Serves as a building block for creating novel pesticides, herbicides, and plant growth regulators.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and functional polymers.
• Fine Chemical Production: Facilitates the production of specialty chemicals, flavors, and fragrances.
• Academic & R&D Laboratories: A fundamental reagent for methodological development and exploratory organic synthesis.

Basic Information

Product Name	(4-Bromobutyl)Triphenylphosphonium Bromide
CAS No.	7333-63-3
Molecular Formula	C22H23Br2P
Molecular Weight	478.20 g/mol
Synonyms	4-Bromobutyltriphenylphosphonium Bromide; Triphenyl(4-bromobutyl)phosphonium Bromide; (4-Bromobutyl)triphenylphosphonium Bromide; Phosphonium, (4-bromobutyl)triphenyl-, bromide (1:1); (ω-Bromobutyl)triphenylphosphonium Bromide; 4-Bromobutyl Triphenyl Phosphonium Bromide; P-(4-Bromobutyl)triphenylphosphonium Bromide
EINECS	Contact for details

Quality Control

Our (4-Bromobutyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Store away from incompatible materials.

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	≤ 1.0%
Heavy Metals	≤ 20 ppm

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