Description

(Carbomethoxymethyl)Triphenylphosphonium Bromide is a high-purity, organophosphorus reagent widely used in synthetic organic chemistry. Its primary value lies in its role as a key Wittig reagent for the synthesis of α,β-unsaturated esters, a crucial step in constructing complex molecular frameworks. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries who require reliable, high-quality building blocks for their synthesis pipelines.

Application

• Wittig Olefination Reactions: As a stabilized ylide precursor for the synthesis of α,β-unsaturated esters (acrylates).
• Pharmaceutical Intermediates: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex natural products.
• Agrochemical Synthesis: Used in the production of certain pesticides and herbicides that require specific alkene functionalities.
• Material Science Research: Employed in the creation of specialized monomers and polymers with tailored properties.
• Fine Chemical Production: Facilitates the synthesis of fragrances, flavors, and other specialty chemicals.
• Academic & R&D Laboratories: A fundamental reagent for methodological development and exploratory synthesis in organic chemistry.

Basic Information

Product Name	(Carbomethoxymethyl)Triphenylphosphonium Bromide
CAS No.	1779-58-4
Molecular Formula	C22H22BrO2P
Molecular Weight	429.29 g/mol
Synonyms	(Methoxycarbonylmethyl)triphenylphosphonium bromide; (Methoxycarbonylmethyl)triphenylphosphonium bromide; Triphenylphosphonium (methoxycarbonyl)methyl bromide; (Carbomethoxymethyl)triphenylphosphonium bromide; Methyl (triphenylphosphoranylidene)acetate bromide; Wittig reagent for acrylates; Phosphonium, (carbomethoxymethyl)triphenyl-, bromide
EINECS	217-218-8

Quality Control

Our (Carbomethoxymethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your research or production requirements.

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 inert atmosphere or in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.