Description

[3-[(4-Aminophenyl)Azo]Phenyl]Phosphonic Acid is a specialized azo dye intermediate and functional phosphonic acid derivative. This compound is valued for its dual functionality, combining the chromophoric azo group with the chelating and surface-active properties of the phosphonic acid moiety. It is primarily utilized by manufacturers in the production of advanced colorants, metal complex dyes, and as a functional additive in material science. Its unique structure makes it a critical component for applications requiring specific color properties and metal ion interaction.

Application

• Key intermediate in the synthesis of high-performance azo dyes and pigments.
• Precursor for manufacturing metal complex dyes used in textiles and inks.
• Functional monomer or additive for surface modification and corrosion inhibition coatings.
• Chelating agent in analytical chemistry and water treatment formulations.
• Research chemical for developing novel optical materials and sensors.
• Potential use in the synthesis of pharmaceutical intermediates and agrochemicals.

Basic Information

Product Name	[3-[(4-Aminophenyl)Azo]Phenyl]Phosphonic Acid
CAS No.	70911-39-6
Molecular Formula	C12H12N3O3P
Molecular Weight	277.22 g/mol
Synonyms	4-[(4-Aminophenyl)azo]phenylphosphonic Acid; (3-((4-Aminophenyl)diazenyl)phenyl)phosphonic Acid; Phosphonic Acid, P-[3-[(4-aminophenyl)azo]phenyl]-; 3-[(4-Aminophenyl)azo]benzenephosphonic Acid; Azo Aminophenyl Phosphonic Acid; Dye Intermediate 70911-39-6
EINECS	Contact for details

Quality Control

Our production of [3-[(4-Aminophenyl)Azo]Phenyl]Phosphonic Acid adheres to stringent quality management protocols. Each batch is analytically verified to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality systems are designed to meet the exacting standards of industrial and research applications, ensuring reliable performance in your processes.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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