Description

(Methoxymethyl)Triphenylphosphonium Chloride is a versatile organophosphorus reagent widely used in synthetic organic chemistry. Its primary value lies in its role as a key intermediate for the synthesis of complex molecules, particularly through Wittig and related olefination reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for constructing carbon-carbon double bonds and other functional groups.

Application

• Pharmaceutical Intermediate: A crucial reagent in the synthesis of active pharmaceutical ingredients (APIs), especially for constructing olefinic bonds in complex drug molecules.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators that require specific alkene functionalities.
• Wittig Reaction Reagent: Serves as a stable phosphonium ylide precursor for the conversion of carbonyl compounds (aldehydes, ketones) into alkenes (olefination).
• Material Science Research: Employed in the development of novel organic materials, liquid crystals, and polymers where controlled alkene introduction is necessary.
• Fine Chemical Production: Acts as a building block for synthesizing flavors, fragrances, and other specialty chemicals with specific double-bond geometry.
• Academic & R&D Laboratories: A standard reagent for methodological development in organic synthesis and for teaching advanced reaction mechanisms.

Basic Information

Product Name	(Methoxymethyl)Triphenylphosphonium Chloride
CAS No.	4009-98-7
Molecular Formula	C20H20ClOP
Molecular Weight	342.80 g/mol
Synonyms	Methoxymethyltriphenylphosphonium chloride; (Methoxymethyl)triphenylphosphonium chloride; Triphenyl(methoxymethyl)phosphonium chloride; Methoxymethyltriphenylphosphonium chloride; Phosphonium, (methoxymethyl)triphenyl-, chloride; NSC 5111; (Methoxymethyl)-triphenyl-phosphonium chloride
EINECS	223-677-3

Quality Control

Our (Methoxymethyl)Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials.

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.