Description

N,n-Bis(3-Aminopropyl)-N',N'-Dimethylpropane-1,3-Diamine is a high-purity, multifunctional polyamine compound characterized by its unique branched structure and multiple reactive amine sites. This chemical is essential as a versatile building block and crosslinking agent in advanced polymer synthesis, where its functionality enables the creation of materials with tailored properties. It is primarily needed by manufacturers in the epoxy resin, polyamide, and specialty surfactant industries, as well as in research and development for catalysis and chelation applications.

Application

• Epoxy Curing Agent & Hardener: A key component for formulating high-performance, flexible, and chemically resistant epoxy resin systems.
• Polyamide Synthesis: Serves as a monomer or chain extender in the production of nylon and other polyamide polymers.
• Surfactant & Corrosion Inhibitor Intermediate: Used to synthesize quaternary ammonium compounds (quats) for industrial cleaners, fabric softeners, and corrosion protection formulations.
• Chelating Agent Precursor: Acts as a starting material for manufacturing polyamine-based chelating agents used in water treatment and metal ion sequestration.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and crop protection chemicals.
• Crosslinker for Polymers & Resins: Enhances thermal stability and mechanical strength in coatings, adhesives, and elastomers.
• Catalyst Support & Ligand: Utilized in organometallic chemistry and catalysis research due to its multidentate ligand properties.

Basic Information

Product Name	N,n-Bis(3-Aminopropyl)-N',N'-Dimethylpropane-1,3-Diamine
CAS No.	71326-30-2
Molecular Formula	C11H28N4
Molecular Weight	216.37 g/mol
Synonyms	3,3'-(Methylazanediyl)bis(N,N-dimethylpropan-1-amine); N,N-Bis(3-aminopropyl)methylamine, dimethylated; N1,N1-Dimethyl-N3-[3-[(3-aminopropyl)methylamino]propyl]propane-1,3-diamine; Tris(3-aminopropyl)amine derivative; TAPA derivative; Polyamine A; N,N'-Bis(3-aminopropyl)-N,N'-dimethyl-1,3-propanediamine; Multifunctional polyamine crosslinker
EINECS	Contact for details

Quality Control

Our N,n-Bis(3-Aminopropyl)-N',N'-Dimethylpropane-1,3-Diamine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and reliable performance for your critical applications. Certificates of Analysis (COA) with detailed specifications are available upon request to support your quality assurance and regulatory compliance needs.

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) and a strong base; ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture and carbon dioxide. Keep 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 %
Refractive Index (n20D)	1.480 - 1.490
Density (20°C)	0.92 - 0.96 g/mL

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