Description

Phosphine Oxide, Bis[4-(1,1-Dimethylethyl)Phenyl]- is a specialized organophosphorus compound known for its utility as a high-performance ligand and catalyst component. Its molecular structure, featuring bulky tert-butylphenyl groups, makes it particularly valuable in facilitating challenging chemical transformations and stabilizing reactive intermediates. This chemical is essential for R&D and production in advanced material science and fine chemical synthesis, serving industries that require precise control over reaction pathways.

Application

• As a ligand in transition metal catalysis for cross-coupling reactions (e.g., Suzuki, Heck).
• As a key component in photoinitiator systems for UV-curable coatings and inks.
• As a stabilizer and co-catalyst in olefin polymerization processes.
• In the synthesis of advanced pharmaceutical intermediates requiring specific stereochemistry.
• As a precursor for flame retardants and other functional additives in polymers.
• In material science research for developing novel organometallic frameworks.

Basic Information

Product Name	Phosphine Oxide, Bis[4-(1,1-Dimethylethyl)Phenyl]-
CAS No.	326921-37-3
Molecular Formula	C22H31OP
Molecular Weight	342.46 g/mol
Synonyms	Bis(4-tert-butylphenyl)phosphine oxide; Di(4-tert-butylphenyl)phosphine oxide; 4,4'-Di-tert-butyldiphenylphosphine oxide; DTBPO; (4-(tert-Butyl)phenyl)phosphine oxide dimer; Phosphine oxide, P,P-bis(4-(1,1-dimethylethyl)phenyl)-; Ligand DTBPO
EINECS	Contact for details

Quality Control

Our Phosphine Oxide, Bis[4-(1,1-Dimethylethyl)Phenyl]- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation.

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	≤ 0.5%
Heavy Metals	≤ 10 ppm

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