Description

Bromopentyltriphenylphosphorane is a specialized organophosphorus reagent, specifically a ylide, widely used in synthetic organic chemistry. Its core value lies in its role as a key Wittig reagent for the efficient synthesis of alkenes, enabling the construction of complex molecular frameworks. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-yielding transformations.

Application

• Wittig Olefination Reactions: Primary reagent for the synthesis of terminal and internal alkenes from carbonyl compounds.
• Pharmaceutical Intermediate Synthesis: Key building block in the production of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Manufacturing: Used in the synthesis of specific herbicides, fungicides, and plant growth regulators requiring alkene functionalities.
• Material Science Research: Employed in the creation of novel polymers, liquid crystals, and organic electronic materials.
• Fine Chemical Production: Facilitates the synthesis of specialty chemicals, flavors, and fragrances.
• Academic & R&D Laboratories: A staple reagent for methodological development and exploratory synthesis in organic chemistry.

Basic Information

Product Name	Bromopentyltriphenylphosphorane
CAS No.	59725-01-8
Molecular Formula	C23H24BrP
Molecular Weight	411.31 g/mol
Synonyms	5-Bromopentyltriphenylphosphonium Bromide; (5-Bromopentyl)triphenylphosphonium Bromide; Triphenyl(5-bromopentyl)phosphonium Bromide; Phosphorane, bromopentyltriphenyl-; Bromopentyltriphenylphosphonium Bromide; Wittig Reagent (5-bromopentyl); P-(5-Bromopentyl)triphenylphosphonium Bromide
EINECS	Contact for details

Quality Control

Our Bromopentyltriphenylphosphorane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place (recommended 2-8°C) under an inert atmosphere (e.g., nitrogen or argon) due to its moisture-sensitive and easily oxidized nature. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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