Description

3-Aminopropylphosphonic Acid is a versatile bifunctional organophosphorus compound containing both an amino and a phosphonic acid group. This unique structure makes it a valuable intermediate and ligand for chelating metal ions and modifying surfaces. It is essential for industries requiring precise molecular design and stable chemical linkages. Key applications include its use as a key building block in pharmaceuticals, agrochemicals, and advanced material science.

Application

• Pharmaceutical Intermediate: Used in the synthesis of bisphosphonate drugs and other active pharmaceutical ingredients (APIs) targeting bone metabolism.
• Agrochemical Synthesis: Serves as a precursor for herbicides, plant growth regulators, and fungicides with enhanced systemic activity.
• Metal Chelation & Corrosion Inhibition: Acts as an effective chelating agent for metal ions in water treatment formulations and industrial corrosion inhibitors.
• Surface Modification Agent: Utilized to functionalize metal oxides, glass, and other surfaces to improve adhesion, biocompatibility, or create self-assembled monolayers.
• Flame Retardant Component: Incorporated into polymer systems to impart flame-retardant properties through phosphorus-nitrogen synergy.
• Research & Development: A crucial reagent in organic synthesis and materials science research for creating novel phosphonate-based molecules.

Basic Information

Product Name	3-Aminopropylphosphonic Acid
CAS No.	13138-33-5
Molecular Formula	C₃H₁₀NO₃P
Molecular Weight	139.09 g/mol
Synonyms	3-APA; 3-Aminopropanephosphonic Acid; (3-Aminopropyl)phosphonic Acid; 1-Amino-3-phosphonopropane; NSC 133099; Phosphonic acid, P-(3-aminopropyl)-; γ-Aminopropylphosphonic Acid; APPA
EINECS	236-074-1

Quality Control

Our 3-Aminopropylphosphonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and batch-to-batch consistency.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Melting Point	~250°C (dec.)

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