Description

Bis(3,5-Di-tert-Butylphenyl)Phosphine Oxide is a high-performance organophosphorus compound valued for its robust steric and electronic properties. It serves as a critical ligand precursor and intermediate in advanced catalytic systems and materials science. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel synthetic pathways and stabilize reactive metal centers.

Application

• Ligand Synthesis: A key precursor for generating bulky phosphine ligands used in cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira).
• Homogeneous Catalysis: Employed in the development of catalysts for hydrogenation, hydroformylation, and polymerization processes.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules where its steric bulk can influence selectivity and yield.
• Agrochemicals: Acts as a building block for novel active ingredients and plant growth regulators.
• Material Science: Incorporated into flame retardants, stabilizers for polymers, and as a component in advanced electronic materials.
• Organic Light-Emitting Diodes (OLEDs): Utilized in the synthesis of electron-transport or host materials.
• Research & Development: A valuable tool for academic and industrial R&D in organometallic chemistry and new material discovery.

Basic Information

Product Name	Bis(3,5-Di-tert-Butylphenyl)Phosphine Oxide
CAS No.	325773-65-7
Molecular Formula	C28H43OP
Molecular Weight	426.62 g/mol
Synonyms	Bis(3,5-di-tert-butylphenyl)phosphine oxide; Phosphine oxide, bis[3,5-bis(1,1-dimethylethyl)phenyl]-; 3,5-Di-tert-butylphenylphosphine oxide; DTBPO; (3,5-Di-tert-butylphenyl)phosphine oxide (dimer); Bis(3,5-di-t-butylphenyl)phosphine oxide
EINECS	Contact for details

Quality Control

Our Bis(3,5-Di-tert-Butylphenyl)Phosphine Oxide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric moisture.

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%
Heavy Metals	≤ 20 ppm

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