Description

Carbomethoxymethyl Triphenylphosphonium Chloride is a specialized organophosphorus reagent widely used in organic synthesis. This compound is valued for its role as a key Wittig reagent, enabling the efficient formation of carbon-carbon double bonds to synthesize alkenes and other complex molecules. It is an essential intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel compounds.

Application

• Wittig Olefination Reactions: A fundamental reagent for the synthesis of alkenes, including α,β-unsaturated esters, from carbonyl compounds.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules requiring specific alkene functionalities.
• Agrochemical Synthesis: Employed in creating key intermediates for pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Facilitates the production of specialty chemicals, flavors, fragrances, and advanced organic materials.
• Academic & Industrial Research: A critical tool for synthetic organic chemists in R&D laboratories for method development and novel compound exploration.
• Material Science: Potential use in the synthesis of monomers or precursors for polymers and functional materials.

Basic Information

Product Name	Carbomethoxymethyl Triphenylphosphonium Chloride
CAS No.	2181-97-7
Molecular Formula	C21H20ClO2P
Molecular Weight	370.81 g/mol
Synonyms	(Carbomethoxymethyl)triphenylphosphonium chloride; (Methoxycarbonylmethyl)triphenylphosphonium chloride; Triphenylphosphonium (methoxycarbonyl)methyl chloride; Methyl (triphenylphosphoranylidene)acetate chloride precursor; Wittig reagent for methyl acrylate; Phosphonium, (carboxymethyl)triphenyl-, chloride, methyl ester; Phenylphosphonium, (methoxycarbonyl)methyltriphenyl-, chloride
EINECS	218-548-6

Quality Control

Our Carbomethoxymethyl Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistent performance. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance with your research and 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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition.

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.