Description

(9-Fluorenyl)Triphenylphosphonium Bromide is a versatile organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stabilized ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes and complex molecular frameworks. This high-purity compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries, where precise and reliable building blocks are critical for innovation.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides to synthesize substituted alkenes with high stereoselectivity.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex drug molecules, particularly those containing fluorene or extended conjugated systems.
• Material Science Research: Serves as a building block for creating organic semiconductors, light-emitting materials, and novel polymers.
• Agrochemical Development: Employed in the synthesis of active ingredients and specialty chemicals for crop protection.
• Academic & R&D Laboratories: A fundamental reagent for methodological development and exploring new organic transformations in research settings.
• Ligand and Catalyst Preparation: Can be utilized to synthesize phosphine-based ligands for transition metal catalysis.

Basic Information

Product Name	(9-Fluorenyl)Triphenylphosphonium Bromide
CAS No.	7253-07-8
Molecular Formula	C31H24BrP
Molecular Weight	507.40 g/mol
Synonyms	9-Fluorenyltriphenylphosphonium Bromide; 9-Fluorenylidenetriphenylphosphorane Hydrobromide; (9H-Fluoren-9-yl)triphenylphosphonium Bromide; Triphenyl(9H-fluoren-9-yl)phosphonium Bromide; Fluorenyltriphenylphosphonium Bromide; 9-Fluorenylidenetriphenyl-λ5-phosphane Hydrobromide; Phosphonium, (9H-fluoren-9-yl)triphenyl-, bromide (1:1)
EINECS	Contact for details

Quality Control

Our (9-Fluorenyl)Triphenylphosphonium Bromide is manufactured under strict quality protocols to ensure batch-to-batch consistency and high chemical purity suitable for demanding synthetic applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all relevant 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). This compound is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light should be avoided 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
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.