Description

(2-Bromoethyl)Triphenylphosphonium Bromide is a versatile and highly reactive organophosphorus reagent, primarily used as a key Wittig reagent in organic synthesis. Its core value proposition lies in its ability to facilitate the efficient synthesis of alkenes from carbonyl compounds, a fundamental transformation in pharmaceutical and fine chemical research. This compound is essential for R&D chemists and process development scientists working in pharmaceutical intermediates, agrochemicals, and advanced material synthesis.

Application

• Wittig Olefination Reactions: As a ylide precursor for the synthesis of vinyl bromides and other functionalized alkenes from aldehydes and ketones.
• Pharmaceutical Intermediate Synthesis: A critical building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel pesticides, herbicides, and plant growth regulators.
• Material Science: Employed in the synthesis of organic ligands, polymers, and liquid crystals.
• Academic & Industrial R&D: A staple reagent in research laboratories for method development and exploring new synthetic pathways.
• Fine Chemical Production: For the custom synthesis of specialty chemicals and flavor/fragrance intermediates.

Basic Information

Item	Details
Product Name	(2-Bromoethyl)Triphenylphosphonium Bromide
CAS No.	7301-93-1
Molecular Formula	C20H19Br2P
Molecular Weight	450.15 g/mol
Synonyms	2-Bromoethyltriphenylphosphonium Bromide; (β-Bromoethyl)triphenylphosphonium Bromide; Triphenyl(2-bromoethyl)phosphonium Bromide; Ethyltriphenylphosphonium Bromide, 2-bromo-; EINECS 230-759-1; Wittig Reagent (2-Bromoethyl); Phosphonium, (2-bromoethyl)triphenyl-, bromide (1:1)
EINECS	230-759-1

Quality Control

Our (2-Bromoethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are 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). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere or in a dry environment to maintain stability.

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.