Description

n-(2-Aminoethyl)-1,3-Propanediamine is a versatile polyfunctional amine with a branched structure containing both primary and secondary amine groups. This unique molecular architecture makes it a valuable intermediate for synthesizing high-performance polymers, chelating agents, and specialty chemicals. It is particularly sought after by manufacturers in the polymer, pharmaceutical, and water treatment industries for creating advanced materials with tailored properties.

Application

• Epoxy Curing Agent & Hardener: A key component in formulating high-performance epoxy resin systems, contributing to enhanced cross-linking density, thermal stability, and chemical resistance in coatings, adhesives, and composites.
• Polyamide & Polyurea Synthesis: Serves as a crucial monomer or chain extender in the production of nylon-type polyamides and polyurea elastomers, impacting flexibility, toughness, and durability.
• Chelating Agent Precursor: Used to synthesize specialized chelating ligands and ion-exchange resins for metal sequestration in water treatment, hydrometallurgy, and industrial cleaning formulations.
• Pharmaceutical Intermediate: Acts as a building block in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents, leveraging its reactive amine sites.
• Corrosion Inhibitor Formulation: Incorporated into coatings and additive packages for metals, providing protective film-forming properties in aggressive environments.
• Surface Active Agent: Utilized in the production of surfactants and emulsifiers for various industrial and specialty applications.

Basic Information

Product Name	n-(2-Aminoethyl)-1,3-Propanediamine
CAS No.	128364-91-0
Molecular Formula	C5H15N3
Molecular Weight	117.19 g/mol
Synonyms	N1-(2-Aminoethyl)-1,3-propanediamine; 3-(2-Aminoethylamino)propylamine; N-(2-Aminoethyl)-1,3-diaminopropane; 1,3-Propanediamine, N-(2-aminoethyl)-; Bis(2-aminoethyl)amine isomer; N-(2-Aminoethyl)propane-1,3-diamine; AEPD; Polyamine AEPD
EINECS	Contact for details

Quality Control

Our n-(2-Aminoethyl)-1,3-Propanediamine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications for industrial and fine chemical applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and a strong base; containers must be kept tightly sealed to exclude moisture and atmospheric carbon dioxide. Store away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.950 - 0.980
Refractive Index (20°C)	1.480 - 1.495

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