Description

Tetraethyl (4-Aminophenyl)-1,3-Diphosphonate is a specialized organophosphorus compound featuring both an aromatic amine and a diphosphonate ester functional group. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex ligands and functional materials. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for creating novel active ingredients and by material scientists developing advanced chelating agents or flame retardants.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel drug candidates, particularly those targeting bone diseases or requiring metal-chelating properties.
• Agrochemical Research: Used in the development of new herbicides, plant growth regulators, or fungicides with potential phosphonate-based activity.
• Ligand Synthesis: Acts as a precursor for creating sophisticated chelating ligands used in catalysis, metal extraction, or medical imaging contrast agents.
• Material Science: Incorporated into polymers or coatings to impart flame-retardant characteristics or to modify surface properties.
• Chemical Research: Employed in academic and industrial R&D for studying phosphorylation reactions and developing new synthetic methodologies.

Basic Information

Product Name	Tetraethyl (4-Aminophenyl)-1,3-Diphosphonate
CAS No.	245111-14-2
Molecular Formula	C14H25NO6P2
Molecular Weight	365.30 g/mol
Synonyms	Tetraethyl 4-Aminobenzene-1,3-diylbis(phosphonate); 4-Aminophenyl-1,3-diphosphonic Acid Tetraethyl Ester; 1,3-Benzenediphosphonic Acid, 4-Amino-, Tetraethyl Ester; (4-Aminophenyl)-1,3-diphosphonic Acid Tetraethyl Ester; Tetraethyl P,P'-(4-Amino-1,3-phenylene)bis(phosphonate); AEBSF Tetraethyl Ester (contextual); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of Tetraethyl (4-Aminophenyl)-1,3-Diphosphonate is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency for your critical R&D and scale-up processes. A Certificate of Analysis (COA) detailing specifications such as assay (HPLC), identity (IR, NMR), and impurity profiles is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The product is stable under these conditions. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area %)	≥ 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.