Description

Phosphonic Acid, (4-Aminophenyl)-, Potassium Salt is an organophosphorus compound with a unique aromatic amine functionality. This specialized salt form offers enhanced solubility and stability, making it a valuable intermediate for advanced material synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to incorporate phosphonate and aniline moieties into their products.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly those targeting bone metabolism or requiring metal-chelating properties.
• Agrochemical Synthesis: Precursor for developing advanced herbicides, plant growth regulators, and fungicides with systemic activity.
• Polymer Modification: Used to create functional monomers for flame-retardant polymers, ion-exchange resins, and metal-adhesive coatings.
• Water Treatment Formulations: Acts as a corrosion and scale inhibitor precursor in industrial cooling and boiler water systems.
• Metal Surface Treatment: Component in formulations for metal cleaning, phosphating, and anti-corrosion coatings.
• Research & Development: Serves as a critical reagent in organic and medicinal chemistry research for constructing complex molecules.

Basic Information

Product Name	Phosphonic Acid, (4-Aminophenyl)-, Potassium Salt
CAS No.	76152-13-1
Molecular Formula	C6H7KNO3P
Molecular Weight	211.20 g/mol
Synonyms	4-Aminophenylphosphonic Acid Potassium Salt; Potassium (4-Aminophenyl)phosphonate; p-Aminophenylphosphonic Acid Potassium Salt; (4-Aminobenzyl)phosphonic Acid Potassium Salt; Potassium 4-Aminobenzylphosphonate; Phosphonic acid, P-(4-aminophenyl)-, potassium salt; APPA Potassium Salt; 76152-13-1
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, (4-Aminophenyl)-, Potassium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and titration for assay confirmation, to ensure consistency and compliance with customer specifications. A Certificate of Analysis (COA) documenting all critical parameters is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed and under dry conditions to prevent product degradation or caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility Test	Clear solution in water

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