Description

N,N'-Bis(2-Aminoethyl)-1,3-Propanediamine is a versatile polyfunctional amine with a branched tetraamine structure. This compound is a critical building block and crosslinking agent valued for its high reactivity and ability to form stable, complex networks. It is essential for manufacturers in sectors requiring advanced polymer chemistry, such as epoxy curing, resin modification, and specialty chemical synthesis.

Application

• Epoxy Curing Agent & Hardener: A key component for formulating high-performance, low-temperature cure epoxy systems with excellent mechanical and thermal properties.
• Polyamide & Polyurethane Synthesis: Serves as a monomer or chain extender in the production of specialized polyamide and polyurethane resins.
• Chelating Agent Precursor: Used in the synthesis of macrocyclic and acyclic ligands for metal ion sequestration in water treatment and catalysis.
• Corrosion Inhibitor Intermediate: A raw material for manufacturing film-forming amine-based corrosion inhibitors used in industrial water systems and fuels.
• Pharmaceutical & Agrochemical Intermediates: An important building block in the synthesis of active pharmaceutical ingredients (APIs) and agrochemicals.
• Paper & Textile Chemical Modifier: Imparts wet-strength, dye-affinity, and other functional properties to paper and textile products.
• Adhesive & Sealant Formulations: Enhances adhesion, flexibility, and cure speed in advanced adhesive and sealant systems.

Basic Information

Item	Details
Product Name	N,N'-Bis(2-Aminoethyl)-1,3-Propanediamine
CAS No.	4741-99-5
Molecular Formula	C7H20N4
Molecular Weight	160.26 g/mol
Synonyms	N1-(3-Aminopropyl)diethylenetriamine; 3,3'-Iminobis(N-ethylethylenediamine); 1,3-Propanediamine, N1-(2-aminoethyl)-N3-(2-aminoethyl)-; Tetraethylenepentamine isomer; TEPA isomer; N,N-Bis(2-aminoethyl)-1,3-propanediamine; 3,3'-Diaminodipropylamine, N,N'-di(2-aminoethyl)-; Bis(2-aminoethyl)aminopropylamine
EINECS	225-247-1

Quality Control

Our N,N'-Bis(2-Aminoethyl)-1,3-Propanediamine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay and impurity profile determination by GC or HPLC, to ensure consistent purity and performance. Certificates of Analysis (COA) documenting full specifications are provided with every shipment.

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); keep the container tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide. Store away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Refractive Index (n20D)	1.490 - 1.500
Density (g/mL, 20°C)	0.950 - 0.980

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