Description

[(5-Chlorobenzo[B]Thiophen-3-Yl)Methyl](Triphenyl)Phosphonium Bromide is a high-purity, specialized organophosphorus salt widely utilized as a key synthetic intermediate. Its primary value lies in its role as a versatile Wittig reagent, enabling the efficient construction of complex olefins and heterocyclic systems. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, particularly for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Critical for the synthesis of novel drug candidates, especially those containing benzothiophene or complex alkene scaffolds.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides requiring specific olefin linkages.
• Wittig Reaction Reagent: A fundamental reagent for the stereoselective formation of carbon-carbon double bonds in fine chemical and academic research.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and other functional organic materials.
• Complex Molecule Construction: Facilitates the synthesis of natural product analogs and complex heterocycles in process chemistry.

Basic Information

Product Name	[(5-Chlorobenzo[B]Thiophen-3-Yl)Methyl](Triphenyl)Phosphonium Bromide
CAS No.	175203-96-0
Molecular Formula	C27H20BrClPS
Molecular Weight	537.84 g/mol
Synonyms	(5-Chlorobenzo[b]thiophen-3-ylmethyl)triphenylphosphonium bromide; (5-Chloro-1-benzothiophen-3-ylmethyl)triphenylphosphonium bromide; 3-[(Triphenylphosphonio)methyl]-5-chlorobenzo[b]thiophene bromide; 5-Chloro-3-(triphenylphosphoniomethyl)benzothiophene bromide; Phosphonium, [(5-chlorobenzo[b]thien-3-yl)methyl]triphenyl-, bromide (1:1); Triphenyl[(5-chlorobenzo[b]thiophen-3-yl)methyl]phosphonium bromide
EINECS	Contact for details

Quality Control

Our [(5-Chlorobenzo[B]Thiophen-3-Yl)Methyl](Triphenyl)Phosphonium 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 identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. 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
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.