Description

Benzhydryl Triphenylphosphonium Chloride is a versatile and highly reactive organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes from carbonyl compounds. This makes it an indispensable material for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to construct complex molecular architectures.

Application

• Wittig Olefination Reagent: A fundamental precursor for generating benzhydrylidenetriphenylphosphorane, used to convert aldehydes and ketones into substituted alkenes (stilbene derivatives).
• Pharmaceutical Intermediate Synthesis: Employed in the construction of key alkene segments for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Production: Used in the synthesis of certain herbicides, fungicides, and plant growth regulators that contain specific alkene functionalities.
• Material Science Research: Serves as a building block in the development of organic semiconductors, liquid crystals, and polymers with tailored optical or electronic properties.
• Academic & Process Chemistry: A staple reagent in research laboratories for method development and scaling novel synthetic routes.
• Fine Chemical Manufacturing: Applied in the production of specialty chemicals, flavors, and fragrances requiring precise alkene geometry.

Basic Information

Product Name	Benzhydryl Triphenylphosphonium Chloride
CAS No.	1530-43-4
Molecular Formula	C31H26ClP
Molecular Weight	464.96 g/mol
Synonyms	Diphenylmethyltriphenylphosphonium Chloride; (Diphenylmethyl)triphenylphosphonium Chloride; Benzhydrylidenetriphenylphosphorane Hydrochloride; α-Phenylbenzyltriphenylphosphonium Chloride; Chlorotriphenyl(diphenylmethyl)phosphonium; Triphenyl(diphenylmethyl)phosphonium Chloride; Wittig Reagent Precursor
EINECS	Contact for details

Quality Control

Our Benzhydryl Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container should be stored in a cool, dry place, ideally at a controlled room temperature (15-25°C). For long-term storage, consider using desiccants or storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.