Description

5,10-Dihydro-5,10-[1,2]benzenophosphanthrene 5,10-dioxide is a specialized organophosphorus compound, specifically a phosphine oxide derivative, known for its unique fused polycyclic structure. This compound serves as a high-value chemical intermediate and ligand precursor in advanced synthetic chemistry and materials science. It is primarily required by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel catalysts and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, particularly those requiring phosphine oxide moieties for bioactivity or as synthetic handles.
• Catalyst Ligand Precursor: Serves as a starting material for synthesizing specialized ligands used in transition metal catalysis, such as cross-coupling reactions.
• Agrochemical Research: Employed in the development of new generation herbicides, insecticides, or plant growth regulators containing organophosphorus components.
• Material Science: Acts as a monomer or additive in the production of high-performance polymers, flame retardants, or specialty resins.
• Organic Synthesis Building Block: Utilized in academic and industrial research for constructing complex polycyclic aromatic systems and novel heterocycles.
• Coordination Chemistry: Investigated for forming complexes with metals, useful in creating new catalytic systems or luminescent materials.

Basic Information

Product Name	5,10-Dihydro-5,10-[1,2]benzenophosphanthrene 5,10-Dioxide
CAS No.	31634-72-7
Molecular Formula	C18H11O2P
Molecular Weight	290.25 g/mol
Synonyms	5,10-Dihydro-5,10-[1,2]benzeno-phosphanthrene 5,10-dioxide; 5H-Dibenzo[b,e][1,4]oxaphosphinine 5-oxide, 5,10-dihydro-; 5,10-Dihydrodibenzo[b,e][1,4]oxaphosphinine 5-oxide; Dibenzo[b,e][1,4]oxaphosphinine, 5,10-dihydro-, 5-oxide; Phosphanthrene dioxide derivative; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 5,10-Dihydro-5,10-[1,2]benzenophosphanthrene 5,10-dioxide is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters such as assay (HPLC), related substances, and physical characterization. Our quality commitment supports applications requiring high-purity intermediates for research and scale-up.

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 and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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