Description

Phosphonic Acid Bis(2,4-Diaminophenyl) Ester is a specialized aromatic phosphonate ester derivative, notable for its unique molecular structure containing both phosphonic acid ester and multiple amine functional groups. This compound matters as a versatile high-performance intermediate, offering reactivity at both the phosphonate and amine sites for advanced material synthesis. It is primarily needed by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for creating flame retardants, epoxy curing agents, and high-value chemical building blocks.

Application

• Flame Retardant Synergist/Intermediate: A key precursor in the synthesis of novel, highly efficient halogen-free flame retardants for engineering plastics, epoxy resins, and polyurethane foams.
• Epoxy Resin Curing Agent/Modifier: Functions as a curing agent or co-curing agent for epoxy systems, potentially enhancing thermal stability, crosslink density, and chemical resistance of the final cured polymer.
• Polymer Additive & Modifier: Used to modify polymer properties, such as improving adhesion, thermal stability, or UV resistance in coatings, adhesives, and composite materials.
• Pharmaceutical & Agrochemical Intermediate: Serves as a sophisticated building block for the synthesis of active pharmaceutical ingredients (APIs) and advanced agrochemicals due to its multifunctional reactivity.
• Metal Chelation & Corrosion Inhibition: The amine and phosphonate groups can act as chelating sites for metal ions, making it useful in water treatment formulations or as a corrosion inhibitor precursor.
• Research & Development Chemical: Employed in academic and industrial R&D for developing new materials, including dendrimers, metal-organic frameworks (MOFs), and other functional organic compounds.

Basic Information

Product Name	Phosphonic Acid Bis(2,4-Diaminophenyl) Ester
CAS No.	80570-92-9
Molecular Formula	C18H20N4O3P
Molecular Weight	371.35 g/mol
Synonyms	Bis(2,4-diaminophenyl) phosphonate; Phosphonic acid, P,P-bis(2,4-diaminophenyl) ester; 2,4-Diaminophenyl phosphonate (dimer); N,N'-(Phosphonodioxy)bis(1,3-benzenediamine); Phosphorous acid, bis(2,4-diaminophenyl) ester; (2,4-Diaminophenoxy)phosphine oxide (dimeric form); Aromatic diamine phosphonate ester
EINECS	Contact for details

Quality Control

Our Phosphonic Acid Bis(2,4-Diaminophenyl) Ester is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates and ISO standards for industrial chemical production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic) and may degrade upon prolonged exposure to air or light. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to tan crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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