Description

(3-Bromopropyl)Triphenylphosphonium Bromide is a versatile and highly reactive organophosphorus compound, widely recognized as a key reagent in organic synthesis. Its primary value lies in its role as a robust Wittig reagent, enabling the efficient synthesis of alkenes from carbonyl compounds. This makes it an indispensable tool for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where precise carbon-carbon bond formation is critical.

Application

• Wittig Olefination Reactions: As a key reagent for the synthesis of alkenes, particularly those with terminal bromoalkyl chains, from aldehydes and ketones.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex molecular scaffolds for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Production: Employed in the synthesis of specialized intermediates for herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Development: Facilitates the creation of alkene-based building blocks for advanced electronic and display materials.
• Polymer & Specialty Chemical Synthesis: Serves as a functional monomer or cross-linking agent precursor in polymer chemistry.
• Academic & Process R&D: A staple reagent in research laboratories for method development and exploring new synthetic pathways.

Basic Information

Product Name	(3-Bromopropyl)Triphenylphosphonium Bromide
CAS No.	3607-17-8
Molecular Formula	C21H21Br2P
Molecular Weight	464.18 g/mol
Synonyms	Triphenyl(3-bromopropyl)phosphonium bromide; 3-Bromopropyltriphenylphosphonium bromide; (3-Bromopropyl)triphenylphosphanium bromide; NSC 169048; Phosphonium, (3-bromopropyl)triphenyl-, bromide; Wittig reagent - (3-bromopropyl)triphenylphosphonium bromide
EINECS	Contact for details

Quality Control

Our (3-Bromopropyl)Triphenylphosphonium Bromide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is analyzed to confirm identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting these results are available upon request, providing full transparency for your research and production 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 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
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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