Description

(1-Aminopropyl)Phosphonic Acid CAS NO 14047-23-5 is a versatile organophosphorus compound featuring both an amino and a phosphonic acid functional group, making it a highly effective chelating agent and surface modifier. This bifunctional structure is critical for applications requiring strong metal ion binding and surface adhesion. It is an essential intermediate and functional additive for manufacturers in the water treatment, electronics, and specialty polymer industries.

Application

• Metal Surface Treatment & Corrosion Inhibition: Acts as a key component in formulations for metal cleaning, pickling, and conversion coatings, providing excellent corrosion resistance.
• Scale & Deposit Control in Water Treatment: Serves as a powerful chelant and threshold inhibitor in cooling water, boiler water, and reverse osmosis systems to control scale formation from calcium, magnesium, and other metal ions.
• Electronic Chemicals & Semiconductor Processing: Used in cleaning and etching solutions for silicon wafers and as a complexing agent in electroplating baths.
• Pharmaceutical & Agrochemical Intermediates: Utilized as a building block in the synthesis of bioactive molecules, including bisphosphonate analogs and herbicidal agents.
• Polymer Modification & Adhesion Promotion: Functions as a monomer or additive to enhance the adhesion, flame retardancy, and metal-binding properties of resins and coatings.
• Analytical Chemistry & Chromatography: Employed as a chelating agent in sample preparation and as a stationary phase modifier in ion-exchange chromatography.

Basic Information

Product Name	(1-Aminopropyl)Phosphonic Acid
CAS No.	14047-23-5
Molecular Formula	C3H10NO3P
Molecular Weight	139.09 g/mol
Synonyms	3-Aminopropylphosphonic Acid; 1-Amino-3-phosphonopropane; APPA; 3-Phosphonopropylamine; NSC 133099; (3-Aminopropyl)phosphonic acid; Amino-propyl-phosphonic acid; Phosphonic acid, P-(3-aminopropyl)-
EINECS	237-869-3

Quality Control

Our (1-Aminopropyl)Phosphonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% aqueous solution)	2.0 - 4.0

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