Description

(Bromomethyl)Triphenylphosphonium Bromide is a versatile and highly reactive organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a Wittig reagent precursor, enabling the efficient synthesis of alkenes and other complex molecular structures. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced materials industries seeking to construct carbon-carbon double bonds with precision.

Application

• Wittig Olefination Reactions: As a precursor to stabilized ylides for the synthesis of alkenes, particularly α,β-unsaturated esters and related compounds.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex drug molecules and active pharmaceutical ingredients (APIs) requiring specific alkene functionalities.
• Agrochemical Production: Employed in the synthesis of certain herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a building block for creating specialized polymers, liquid crystals, and organic electronic materials.
• Academic & Process Chemistry: A fundamental reagent in laboratory-scale research, method development, and scale-up process optimization.
• Fine Chemical Synthesis: Facilitates the production of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	(Bromomethyl)Triphenylphosphonium Bromide
CAS No.	1034-49-7
Molecular Formula	C19H17Br2P
Molecular Weight	436.12 g/mol
Synonyms	Triphenylphosphonium Bromide, Bromomethyl; Bromomethyltriphenylphosphonium Bromide; (Bromomethyl)triphenylphosphonium Bromide; Triphenyl(bromomethyl)phosphonium Bromide; Phosphonium, (bromomethyl)triphenyl-, bromide; NSC 169049; Witting Reagent Precursor
EINECS	213-848-9

Quality Control

Our (Bromomethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your 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 must be kept under an inert atmosphere or in a desiccator after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	228 - 232 °C (dec.)
Loss on Drying	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.