Description

Tris(3-Nitrophenyl)Phosphine Oxide is a specialized organophosphorus compound featuring three electron-withdrawing nitro groups, which significantly influence its electronic and coordination properties. This unique structure makes it a valuable ligand precursor and intermediate in advanced chemical synthesis and materials science. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel catalysts and functional materials.

Application

• Ligand in Catalysis: Serves as a precursor for phosphine ligands used in cross-coupling reactions (e.g., Suzuki, Heck) for pharmaceutical and fine chemical synthesis.
• Polymer Additive: Acts as a flame retardant synergist or stabilizer in high-performance polymer formulations.
• Coordination Chemistry: Used in the synthesis of metal-organic frameworks (MOFs) and complexes for catalytic or sensing applications.
• Organic Synthesis Intermediate: A key building block for synthesizing more complex phosphine oxides and related organophosphorus compounds.
• Research & Development: Employed in academic and industrial R&D for exploring new reaction pathways and material properties.
• Electronic Materials: Investigated for use in the development of organic semiconductors and optoelectronic materials.

Basic Information

Product Name	Tris(3-Nitrophenyl)Phosphine Oxide
CAS No.	31638-89-8
Molecular Formula	C18H12N3O7P
Molecular Weight	413.28 g/mol
Synonyms	Tris(3-nitrophenyl)phosphine oxide; Phosphine oxide, tris(3-nitrophenyl)-; Tris(m-nitrophenyl)phosphine oxide; 3,3',3''-Phosphinidynetris(nitrobenzene); (3-Nitrophenyl)phosphine oxide; Tris(3-nitro-phenyl)-phosphine oxide; P,P,P-Tris(3-nitrophenyl)phosphine oxide
EINECS	Contact for details

Quality Control

Our Tris(3-Nitrophenyl)Phosphine Oxide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for purity, melting point, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.