Description

Phosphine Oxide, Bis(Pentamethylphenyl)- CAS NO 122085-61-4 is a specialized organophosphorus compound characterized by its sterically hindered pentamethylphenyl substituents. This structural feature makes it a valuable ligand and intermediate in advanced chemical synthesis and materials science. It is primarily sought after by researchers and manufacturers in the fine chemical and pharmaceutical sectors for applications requiring precise molecular control and stability.

Application

• As a ligand in transition metal catalysis for cross-coupling and other organic transformations.
• As a key intermediate in the synthesis of advanced photoinitiators and polymer additives.
• In the research and development of specialty materials, including liquid crystals and OLED components.
• For use in coordination chemistry studies to create novel metal complexes.
• As a stabilizer or modifier in high-performance polymer formulations.
• In academic and industrial R&D for exploring new organophosphorus chemistry.

Basic Information

Product Name	Phosphine Oxide, Bis(Pentamethylphenyl)-
CAS No.	122085-61-4
Molecular Formula	C22H31OP
Molecular Weight	342.46 g/mol
Synonyms	Bis(2,3,4,5,6-Pentamethylphenyl)phosphine Oxide; Bis(Pentamethylphenyl)phosphine Oxide; Di(pentamethylphenyl)phosphine Oxide; Phosphine Oxide, Bis(2,3,4,5,6-Pentamethylphenyl)-; (2,3,4,5,6-Pentamethylphenyl)phosphine Oxide (dimer form); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Phosphine Oxide, Bis(Pentamethylphenyl)- is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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