Description

(Methoxymethyl)Triphenylphosphonium Bromide is a versatile and highly reactive organophosphorus reagent, primarily used as a key intermediate in organic synthesis. Its core value lies in its ability to act as a stabilized ylide for the Wittig olefination reaction, enabling the efficient synthesis of methoxy-substituted alkenes. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries who require high-purity building blocks for complex molecule construction.

Application

• Wittig Reaction Reagent: A pivotal reagent for the synthesis of vinyl ethers and methoxy-substituted alkenes via the Wittig olefination process.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates requiring specific alkene functionalities.
• Agrochemical Synthesis: Serves as a building block for creating novel pesticides, herbicides, and plant growth regulators.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Fine Chemical Production: Facilitates the production of flavors, fragrances, and other high-value specialty chemicals.
• Academic & R&D Laboratories: A fundamental tool for methodological development and exploratory organic synthesis in research institutions.

Basic Information

Product Name	(Methoxymethyl)Triphenylphosphonium Bromide
CAS No.	33670-32-5
Molecular Formula	C₂₀H₂₀BrOP
Molecular Weight	387.25 g/mol
Synonyms	Methoxymethyltriphenylphosphonium Bromide; (Methoxymethyl)triphenylphosphonium Bromide; Triphenyl(methoxymethyl)phosphonium Bromide; Methoxymethyltriphenylphosphorane Bromide; Phosphonium, (methoxymethyl)triphenyl-, bromide; NSC 163082; (Methoxymethyl)-triphenyl-phosphonium bromide
EINECS	Contact for details

Quality Control

Our (Methoxymethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high chemical purity and consistent performance. 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 area 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
Loss on Drying	≤ 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.