Description

(Cyclopropylmethyl)Triphenylphosphonium Bromide is a high-purity organophosphorus salt widely used as a key reagent in advanced organic synthesis. Its primary value lies in its role as a stable Wittig reagent, enabling the efficient formation of cyclopropyl-containing alkenes, which are valuable structural motifs in medicinal chemistry. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and fine chemical industries developing novel active ingredients and complex molecules.

Application

• Wittig Olefination Reactions: A crucial reagent for the synthesis of alkenes with cyclopropyl substituents, expanding the toolbox for constructing complex organic frameworks.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs) that incorporate the strained, bioactive cyclopropane ring.
• Agrochemical Product Development: Employed in creating novel herbicides, fungicides, and insecticides where the cyclopropyl group can enhance biological activity and stability.
• Material Science Research: Serves as a building block for synthesizing specialized monomers or ligands used in advanced polymers and catalysts.
• Academic & Process Chemistry: A valuable tool in methodological studies and scale-up processes for introducing the cyclopropylmethylene group.

Basic Information

Product Name	(Cyclopropylmethyl)Triphenylphosphonium Bromide
CAS No.	14799-82-7
Molecular Formula	C22H22BrP
Molecular Weight	397.29 g/mol
Synonyms	Triphenyl(cyclopropylmethyl)phosphonium bromide; Cyclopropylmethyltriphenylphosphonium bromide; (Cyclopropylmethyl)triphenylphosphonium bromide; Phosphonium, (cyclopropylmethyl)triphenyl-, bromide; (Cyclopropylmethyl)triphenylphosphonium bromide; (Cyclopropylmethyl)-triphenylphosphonium bromide; (Cyclopropylmethyl)triphenylphosphonium bromide (Wittig reagent)
EINECS	Contact for details

Quality Control

Our (Cyclopropylmethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to ensure high chemical purity and consistent performance as a Wittig reagent. Certificates of Analysis (COA) detailing all specifications are 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 dry conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.