Description

Vinyltriphenylphosphonium Bromide is a versatile organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes from carbonyl compounds. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for complex molecule construction.

Application

• Wittig Olefination: A fundamental reagent for converting aldehydes and ketones into alkenes, a cornerstone reaction in medicinal chemistry and natural product synthesis.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates, particularly those containing vinyl or alkene functional groups.
• Agrochemical Synthesis: Serves as a building block for creating herbicides, fungicides, and plant growth regulators that require specific alkene architectures.
• Material Science: Employed in the production of specialty polymers, liquid crystals, and organic electronic materials where controlled alkene incorporation is critical.
• Fine Chemical Production: Facilitates the manufacture of flavors, fragrances, and dyes through precise alkene-forming steps.
• Academic & Industrial R&D: A staple reagent in research laboratories for method development and exploring new synthetic pathways.

Basic Information

Product Name	Vinyltriphenylphosphonium Bromide
CAS No.	5044-52-0
Molecular Formula	C20H18BrP
Molecular Weight	369.24 g/mol
Synonyms	Triphenyl(vinyl)phosphonium Bromide; Ethenyltriphenylphosphonium Bromide; Phosphonium, triphenylethenyl-, bromide; Vinyltriphenylphosphonium Bromide; Vinyldiphenylphosphine Bromide; (Ethenyl)triphenylphosphonium Bromide; 5044-52-0; NSC 163066
EINECS	225-740-7

Quality Control

Our Vinyltriphenylphosphonium Bromide is manufactured under strict quality management protocols. 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. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and compliance with your specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.