Description

Triphenylarsine is a versatile organometallic compound and a key ligand in coordination chemistry, prized for its ability to stabilize transition metal complexes. Its primary commercial value lies in its role as a catalyst precursor and ligand in cross-coupling reactions, such as the Mizoroki-Heck reaction, which are fundamental to modern pharmaceutical and fine chemical synthesis. This makes it an essential material for R&D laboratories and production facilities in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• As a ligand in palladium-catalyzed cross-coupling reactions (e.g., Mizoroki-Heck, Suzuki-Miyaura) for C-C bond formation.
• Catalyst precursor in the synthesis of fine chemicals and complex organic intermediates.
• Component in the manufacture of semiconductor materials and metal-organic chemical vapor deposition (MOCVD) processes.
• Used in research and development of novel organoarsenic compounds and coordination complexes.
• Employed as a stabilizer or additive in specific polymer and resin formulations.
• Reagent in organic synthesis for the preparation of arsenic-containing heterocycles.

Basic Information

Product Name	Triphenylarsine
CAS No.	603-32-7
Molecular Formula	C18H15As
Molecular Weight	306.24 g/mol
Synonyms	Arsenic triphenyl; Triphenylarsane; Phenylarsine; As(C6H5)3; Arsine, triphenyl-; TPA; Tris(phenyl)arsine
EINECS	210-047-0

Quality Control

Our Triphenylarsine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is 2-25°C. The container should be kept tightly sealed to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	58 - 62 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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