Description

2-(Ethoxycarbonyl)Ethyltriphenylphosphonium Bromide is a high-purity, versatile Wittig reagent salt, essential for the synthesis of α,β-unsaturated esters and other complex organic molecules. Its primary value lies in enabling precise carbon-carbon bond formation, a critical step in constructing pharmaceutical intermediates and advanced materials. This compound is specifically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and fine chemicals.

Application

• Wittig Reaction Intermediate: Key reagent for the synthesis of α,β-unsaturated esters (acrylates) via the Wittig olefination process.
• Pharmaceutical Synthesis: Used in the production of drug candidates and active pharmaceutical ingredients (APIs) requiring specific alkene geometries.
• Agrochemical Manufacturing: Employed in creating complex molecules for crop protection agents and pesticides.
• Material Science Research: Facilitates the construction of organic frameworks and polymers with tailored properties.
• Fine Chemical Production: Integral in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: Serves as a fundamental building block in exploratory chemistry and process scale-up laboratories.

Basic Information

Product Name	2-(Ethoxycarbonyl)Ethyltriphenylphosphonium Bromide
CAS No.	42843-94-7
Molecular Formula	C23H24BrO2P
Molecular Weight	443.31 g/mol
Synonyms	(2-Ethoxy-2-oxoethyl)triphenylphosphonium bromide; Ethyl (2-oxido-2-triphenylphosphonio)acetate bromide; Carbethoxymethyltriphenylphosphonium bromide; (Carbethoxymethyl)triphenylphosphonium bromide; 2-(Ethoxycarbonyl)ethyltriphenylphosphonium bromide; Triphenylphosphonium bromide, (2-ethoxy-2-oxoethyl)-; EINECS 255-989-8; Wittig reagent salt for acrylate synthesis
EINECS	255-989-8

Quality Control

Our 2-(Ethoxycarbonyl)Ethyltriphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and titration, to ensure high chemical purity and consistent performance as a Wittig reagent. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality and regulatory requirements.

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 and under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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