Description

Bis(3-Nitrophenyl)Phosphinic Acid is a specialized organophosphorus compound characterized by its phosphinic acid core flanked by two 3-nitrophenyl groups. This structure makes it a valuable intermediate and ligand in advanced chemical synthesis, particularly for creating complex molecules with specific electronic or coordination properties. It is primarily sought after by research institutions and industrial R&D departments focused on developing pharmaceuticals, agrochemicals, and novel materials.

Application

• Key intermediate in the synthesis of pharmaceutical active ingredients and fine chemicals.
• Precursor for the development of flame retardants and polymer additives.
• Building block for creating specialized ligands used in catalysis and metal complexation.
• Research chemical in the development of new agrochemical formulations.
• Intermediate for dyes, pigments, and other functional materials.
• Used in academic and industrial research for studying phosphinic acid chemistry.

Basic Information

Product Name	Bis(3-Nitrophenyl)Phosphinic Acid
CAS No.	18593-20-9
Molecular Formula	C12H9N2O5P
Molecular Weight	292.18 g/mol
Synonyms	Phosphinic acid, P,P-bis(3-nitrophenyl)-; Di(3-nitrophenyl)phosphinic acid; Bis(3-nitrophenyl)phosphine oxide, oxidized form; 3,3'-Dinitrodiphenylphosphinic acid; (3-Nitrophenyl)phosphinic acid dimer; NSC 163082; B3NPPA
EINECS	Contact for details

Quality Control

Our production of Bis(3-Nitrophenyl)Phosphinic Acid adheres to stringent internal quality standards to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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