Description

(2-Carboxy-1-Phenylethyl)Triphenylphosphonium Bromide is a high-purity, versatile phosphonium salt reagent widely used in organic synthesis. Its primary value lies in its role as a key intermediate for the preparation of ylides in the Wittig reaction, enabling the stereoselective synthesis of alkenes. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries, where precise carbon-carbon bond formation is critical for developing active ingredients and novel polymers.

Application

• Wittig Reaction Intermediate: Serves as a crucial precursor for generating stabilized ylides to synthesize α,β-unsaturated carboxylic acids and their derivatives.
• Pharmaceutical Synthesis: Used in the research and production of drug candidates, particularly for constructing olefinic segments in complex molecules.
• Agrochemical Manufacturing: Employed in the synthesis of active ingredients for crop protection agents that require specific alkene geometries.
• Fine Chemical Production: A valuable building block for creating specialty chemicals, flavors, and fragrances.
• Material Science Research: Utilized in the development of novel organic polymers and functional materials with tailored properties.
• Academic & Industrial R&D: A standard reagent in laboratory settings for methodological development and exploratory synthesis.

Basic Information

Product Name	(2-Carboxy-1-Phenylethyl)Triphenylphosphonium Bromide
CAS No.	29149-30-2
Molecular Formula	C27H24BrO2P
Molecular Weight	491.36 g/mol
Synonyms	2-Carboxy-1-phenylethyltriphenylphosphonium bromide; (2-Carboxy-1-phenylethyl)triphenylphosphonium bromide; (α-Carboxybenzyl)triphenylphosphonium bromide; 2-(Triphenylphosphonio)-3-phenylpropionate bromide; 3-Phenyl-2-(triphenylphosphonio)propanoate bromide; Phenyl(triphenylphosphoranylidene)acetic acid bromide salt; Wittig reagent precursor for cinnamic acids
EINECS	Contact for details

Quality Control

Our (2-Carboxy-1-Phenylethyl)Triphenylphosphonium Bromide is manufactured under a strict quality management system. 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 support your quality assurance and regulatory needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment 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%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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