Description

Tris(p-tert-Butylphenyl)Phosphine Oxide is a high-purity organophosphorus compound, valued for its role as a versatile ligand and catalyst component in advanced chemical synthesis. Its sterically hindered structure provides excellent stability and selectivity, making it a critical reagent for demanding industrial and research applications. This product is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty polymer sectors seeking reliable, high-performance intermediates.

Application

• As a ligand in transition metal catalysis for cross-coupling reactions (e.g., Suzuki, Heck).
• As a stabilizer and co-catalyst in polymerization processes for high-performance plastics.
• As a key intermediate in the synthesis of advanced pharmaceutical active ingredients (APIs).
• In the research and development of novel agrochemicals and plant protection agents.
• As a flame retardant synergist in specialized polymer formulations.
• For the preparation of ionic liquids and other specialty materials.

Basic Information

Product Name	Tris(p-tert-Butylphenyl)Phosphine Oxide
CAS No.	29942-35-6
Molecular Formula	C30H39OP
Molecular Weight	446.61 g/mol
Synonyms	Tris(4-tert-butylphenyl)phosphine oxide; Tris(4-(1,1-dimethylethyl)phenyl)phosphine oxide; Phosphine oxide, tris(4-(1,1-dimethylethyl)phenyl)-; Tris(p-tert-butylphenyl)phosphine oxide; TBPPO; 4-tert-Butylphenylphosphine oxide trimer; Tris(4-tert-butylphenyl)phosphine oxide
EINECS	Contact for details

Quality Control

Our production of Tris(p-tert-Butylphenyl)Phosphine Oxide adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting industry standards. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency for our B2B partners.

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
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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