Description

2-Cyanoethyl Triphenyl Phosphonium Bromide is a versatile organophosphorus reagent, primarily valued for its role as a key Wittig reagent in the synthesis of α,β-unsaturated nitriles. This compound is essential for constructing complex molecular frameworks through efficient olefination reactions. It is a critical material for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where precise carbon-carbon bond formation is required.

Application

• Pharmaceutical Intermediates: Key reagent in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocycles via Wittig olefination.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and pesticide intermediates.
• Material Science: Building block for creating specialized polymers, liquid crystals, and organic electronic materials.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and flavor/fragrance compounds.
• Academic & Industrial R&D: A staple reagent in organic synthesis laboratories for method development and novel compound library generation.
• Synthesis of α,β-Unsaturated Nitriles: Specifically facilitates the introduction of the cyano-alkene functional group, a valuable synthon in further transformations.

Basic Information

Product Name	2-Cyanoethyl Triphenyl Phosphonium Bromide
CAS No.	5032-74-6
Molecular Formula	C21H19BrNP
Molecular Weight	396.26 g/mol
Synonyms	Triphenyl(2-cyanoethyl)phosphonium Bromide; (2-Cyanoethyl)triphenylphosphonium Bromide; 2-Cyanoethyltriphenylphosphonium Bromide; Phosphonium, (2-cyanoethyl)triphenyl-, bromide; Phosphonium, triphenyl(2-cyanoethyl)-, bromide; NSC 163082; P(C6H5)3(CH2CH2CN)Br
EINECS	225-713-9

Quality Control

Our 2-Cyanoethyl Triphenyl Phosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your research or production requirements.

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 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	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.