Description

(3,5-Dimethoxybenzyl)Triphenylphosphonium Bromide CAS NO 24131-30-4 is a high-purity, versatile Wittig reagent and organophosphorus compound essential for advanced organic synthesis. Its primary value lies in enabling the efficient construction of carbon-carbon double bonds, specifically for introducing the 3,5-dimethoxybenzylidene group into target molecules. This product is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for synthesizing complex intermediates and active ingredients.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for constructing styrene derivatives and other olefinic compounds used in drug discovery and development.
• Agrochemical Production: Used in the synthesis of complex molecules for crop protection agents and herbicides.
• Liquid Crystal & OLED Material Research: Employed in the synthesis of advanced organic electronic materials requiring specific aromatic structures.
• Fine Chemical & Flavor/Fragrance Synthesis: Facilitates the production of specialized aromatic olefins used in high-value chemical products.
• Academic & Industrial R&D: A fundamental tool for methodology development and complex molecule construction in organic chemistry laboratories.
• Polymer Modification: Can be used to introduce functional aromatic groups into polymer backbones for specialty materials.

Basic Information

Product Name	(3,5-Dimethoxybenzyl)Triphenylphosphonium Bromide
CAS No.	24131-30-4
Molecular Formula	C27H26BrO2P
Molecular Weight	493.37 g/mol
Synonyms	(3,5-Dimethoxybenzyl)triphenylphosphonium bromide; 3,5-Dimethoxybenzyltriphenylphosphonium bromide; Triphenyl(3,5-dimethoxybenzyl)phosphonium bromide; Phosphonium, (3,5-dimethoxybenzyl)triphenyl-, bromide (1:1); (3,5-Dimethoxybenzyl)-triphenyl-phosphonium bromide; α-(3,5-Dimethoxyphenyl)methyltriphenylphosphonium bromide
EINECS	Contact for details

Quality Control

Our (3,5-Dimethoxybenzyl)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 as a Wittig reagent. 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 place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under inert atmosphere (e.g., nitrogen or argon) for prolonged use to maintain optimal reactivity and shelf life.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.