Description

(Cyanomethyl)Triphenylphosphonium Bromide is a versatile organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient construction of carbon-carbon double bonds to form alkenes and other valuable intermediates. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for complex molecule synthesis.

Application

• Wittig Olefination Reagent: Serves as a crucial precursor for generating stabilized ylides to synthesize α,β-unsaturated nitriles and other functionalized alkenes.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex drug molecules, particularly those containing vinyl cyanide or acrylonitrile moieties.
• Agrochemical Production: Employed in the synthesis of active ingredients and intermediates for crop protection chemicals.
• Material Science Research: Facilitates the synthesis of specialty monomers and polymers with specific optical or electronic properties.
• Fine Chemical Manufacturing: Applied in the production of flavors, fragrances, and other high-value specialty chemicals.
• Academic & R&D Laboratories: A standard reagent for methodological development and exploratory synthesis in organic chemistry.

Basic Information

Product Name	(Cyanomethyl)Triphenylphosphonium Bromide
CAS No.	15898-47-2
Molecular Formula	C20H17BrNP
Molecular Weight	382.23 g/mol
Synonyms	Triphenylphosphonium cyanomethyl bromide; Cyanomethyltriphenylphosphonium bromide; (Cyanomethyl)triphenylphosphonium bromide; Phosphonium, (cyanomethyl)triphenyl-, bromide; (Cyanomethylene)triphenylphosphorane hydrobromide; (Cyanomethyl)triphenylphosphorane hydrobromide; Bromo(cyanomethyl)triphenylphosphorane; (Cyanomethyl)triphenyl-λ5-phosphanebromide
EINECS	Contact for details

Quality Control

Our (Cyanomethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing all specifications 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 place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere or in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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