Description

N,n-Dibutyl-1,3-Propanediamine is a versatile aliphatic diamine characterized by its two primary amine functionalities separated by a three-carbon chain, each terminated with a butyl group. This structure makes it a valuable intermediate and catalyst in various organic synthesis and industrial processes. It is particularly sought after by manufacturers in the polymer, agrochemical, and pharmaceutical sectors for its reactivity as a curing agent, corrosion inhibitor, and ligand.

Application

• Epoxy Resin Curing Agent: Functions as a reactive hardener for epoxy resins, contributing to improved flexibility and chemical resistance in coatings, adhesives, and composites.
• Corrosion Inhibitor Intermediate: Used in the synthesis of ashless additives and filming amines for protecting metal surfaces in industrial cooling systems and fuel applications.
• Pharmaceutical & Agrochemical Synthesis: Serves as a key building block (synthon) for creating active pharmaceutical ingredients (APIs) and pesticide molecules.
• Polyamide & Polyurea Production: Acts as a monomer or chain extender in the production of specialty polymers, enhancing material properties like toughness and thermal stability.
• Catalyst and Ligand: Utilized in organic synthesis and metal complexation processes due to its chelating properties with various metal ions.
• Gas Treating Agent: Employed in formulations for the selective removal of acidic gases like CO₂ and H₂S in natural gas sweetening and refining operations.

Basic Information

Product Name	N,n-Dibutyl-1,3-Propanediamine
CAS No.	1187-33-3
Molecular Formula	C₁₁H₂₆N₂
Molecular Weight	186.34 g/mol
Synonyms	1,3-Propanediamine, N,N-dibutyl-; N,N-Dibutyl-1,3-diaminopropane; N,N-Dibutylpropane-1,3-diamine; N,N-Dibutyltrimethylenediamine; 3-(Dibutylamino)propylamine; DBPA; Dibutylaminopropylamine; UN2735
EINECS	214-698-6

Quality Control

Our N,n-Dibutyl-1,3-Propanediamine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. Certificates of Analysis (COA) documenting these results are available for every shipment to guarantee traceability and compliance with your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. This product is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent absorption of atmospheric moisture and carbon dioxide. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	0.82 - 0.86 g/mL
Refractive Index (n20/D)	1.440 - 1.445

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