Description

n-(3-Aminopropyl)-N,N',N'-Trimethyl-1,3-Propanediamine is a versatile, multi-functional aliphatic amine with a branched polyamine structure. This compound is a valuable intermediate and building block, prized for its ability to introduce cationic functionality and act as a cross-linking agent in polymer synthesis. It is essential for manufacturers in the production of specialty chemicals, including epoxy curing agents, surfactants, and corrosion inhibitors, where its reactive amine groups provide key performance characteristics.

Application

• Epoxy Curing Agent & Hardener: Functions as a reactive modifier and accelerator in epoxy resin systems, improving cure speed and final material properties.
• Surfactant & Detergent Intermediate: Serves as a key precursor for the synthesis of cationic and amphoteric surfactants used in personal care and industrial cleaning formulations.
• Corrosion Inhibitor Component: Incorporated into formulations for metalworking fluids, coatings, and fuel additives to provide protective passivation.
• Polymer & Resin Modification: Acts as a chain extender, cross-linker, or monomer for producing polyamides, polyurethanes, and other specialty polymers.
• Chelating Agent Synthesis: Used in the manufacture of complexing agents for water treatment and metal ion sequestration processes.
• Pharmaceutical & Agrochemical Intermediate: Provides a reactive amine backbone for synthesizing active pharmaceutical ingredients (APIs) and crop protection agents.

Basic Information

Product Name	n-(3-Aminopropyl)-N,N',N'-Trimethyl-1,3-Propanediamine
CAS No.	19475-35-5
Molecular Formula	C9H23N3
Molecular Weight	173.30 g/mol
Synonyms	N1-[3-(Dimethylamino)propyl]-1,3-propanediamine; 3,3'-Iminobis(N,N-dimethylpropylamine); N,N-Bis(3-dimethylaminopropyl)amine; Bis(3-dimethylaminopropyl)amine; 1,3-Propanediamine, N1-[3-(dimethylamino)propyl]-; N-(3-Aminopropyl)-N,N,N-trimethyl-1,3-propanediamine; APTMA; BDAPA
EINECS	243-108-8

Quality Control

Our n-(3-Aminopropyl)-N,N',N'-Trimethyl-1,3-Propanediamine is manufactured under a strict quality management system. Each batch is analyzed to ensure it meets precise specifications for purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for every shipment to support your quality assurance protocols.

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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide, which can degrade product quality.

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 (n20/D)	1.4580 - 1.4620
Density (g/mL at 20°C)	0.870 - 0.890

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