Description

(2-Chloroethyl)Triphenylphosphonium Bromide is a high-purity, versatile organophosphorus reagent essential for synthetic organic chemistry. Its primary value lies in its role as a key Wittig reagent for the synthesis of vinyl ethers and other alkenes, enabling the construction of complex molecular frameworks. This compound is critically needed by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and advanced materials sectors for constructing carbon-carbon double bonds with precise stereochemical control.

Application

• Wittig Olefination Reactions: As a stabilized ylide precursor for the synthesis of vinyl ethers and substituted alkenes.
• Pharmaceutical Intermediate Synthesis: Key building block in the production of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Manufacturing: Used in the synthesis of specific herbicides, fungicides, and plant growth regulators.
• Material Science Research: Employed in the development of novel polymers, liquid crystals, and organic electronic materials.
• Academic & Industrial R&D: A fundamental reagent for methodological development and exploratory synthesis in organic chemistry.
• Fine Chemical Production: For the custom synthesis of specialty chemicals and flavor/fragrance intermediates.

Basic Information

Product Name	(2-Chloroethyl)Triphenylphosphonium Bromide
CAS No.	31238-20-7
Molecular Formula	C20H19BrClP
Molecular Weight	405.69 g/mol
Synonyms	2-Chloroethyltriphenylphosphonium Bromide; (β-Chloroethyl)triphenylphosphonium Bromide; Triphenyl(2-chloroethyl)phosphonium Bromide; NSC 154164; Phosphonium, (2-chloroethyl)triphenyl-, bromide (1:1); (2-Chloro-ethyl)-triphenyl-phosphonium Bromide
EINECS	Contact for details

Quality Control

Our (2-Chloroethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research or production specifications.

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 after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	~ 230-235 °C (dec.)
Loss on Drying	≤ 1.0%

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