Description

Phosphine, Phenylmethylidyne- CAS NO 76684-21-4 is a specialized organophosphorus compound featuring a unique phenylmethylidyne (benzylidene) substituent on the phosphine core. This structural motif makes it a valuable precursor and ligand in advanced chemical synthesis, particularly for constructing complex molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for catalysis and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate Synthesis: Serves as a key building block or ligand in the synthesis of novel active pharmaceutical ingredients (APIs).
• Catalysis Development: Acts as a precursor for novel phosphine-based ligands used in transition metal catalysis, such as cross-coupling reactions.
• Agrochemical Research: Employed in the development of new crop protection agents and pesticides.
• Material Science: Used in the research and development of advanced polymeric materials and metal-organic frameworks (MOFs).
• Organic Synthesis: Functions as a reagent in specialized organic transformations, including Wittig-type reactions and nucleophilic additions.
• Chemical Vapor Deposition (CVD): Investigated as a potential precursor for depositing phosphorus-containing thin films in semiconductor applications.

Basic Information

Product Name	Phosphine, Phenylmethylidyne- CAS NO 76684-21-4
CAS No.	76684-21-4
Molecular Formula	C7H5P
Molecular Weight	120.09 g/mol
Synonyms	Benzylidenephosphine; Phenylmethylidenephosphine; (Phenylmethylene)phosphine; Benzylidynephosphane; PH2C=C6H5 (common representation); Benzylphosphinidene; 1-Phenylmethylidenephosphane
EINECS	Contact for details

Quality Control

Our Phosphine, Phenylmethylidyne- CAS NO 76684-21-4 is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR, GC-MS, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles for research-grade chemicals to support our clients' regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its easily oxidized nature, this material must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated area. Recommended long-term storage temperature is 2-8°C. Keep away from heat, sparks, open flames, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid / low-melting solid
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 95.0%
Purity (NMR)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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