Description

2,2-Dimethyl-1,3-propanediamine is a high-purity, bifunctional aliphatic amine characterized by its unique sterically hindered structure. This compound is a critical building block in advanced polymer synthesis, valued for its ability to impart enhanced thermal stability and chemical resistance to the final materials. It is essential for manufacturers in the epoxy curing agent, polyamide resin, and pharmaceutical intermediate sectors seeking to develop high-performance products.

Application

• Epoxy Curing Agent: Acts as a reactive hardener and crosslinker, contributing to high glass transition temperatures and excellent chemical resistance in cured epoxy systems for coatings, adhesives, and composites.
• Polyamide Resin Synthesis: Serves as a key monomer for producing nylon-type polymers with improved mechanical properties and thermal stability.
• Pharmaceutical Intermediate: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals, leveraging its diamine functionality.
• Corrosion Inhibitor Formulation: Incorporated into formulations for metal treatment and protective coatings due to its chelating and film-forming properties.
• Lubricant Additive: Used as a precursor for ashless dispersants and antioxidants that enhance the performance and longevity of industrial lubricants.
• Chelating Agent: Effective in binding metal ions for applications in water treatment, textile processing, and as a component in analytical reagents.

Basic Information

Product Name	2,2-Dimethyl-1,3-propanediamine
CAS No.	7328-91-8
Molecular Formula	C5H14N2
Molecular Weight	102.18 g/mol
Synonyms	Neopentanediamine; 2,2-Dimethylpropane-1,3-diamine; 1,3-Diamino-2,2-dimethylpropane; 2,2-Bis(aminomethyl)propane; DMAPA (common abbreviation); Neo-1,3-diaminopentane; 2,2-Dimethyltrimethylenediamine
EINECS	230-826-5

Quality Control

Our 2,2-Dimethyl-1,3-propanediamine is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, color, and moisture content are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its hygroscopic nature, containers should be kept tightly sealed to prevent moisture absorption. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Color (APHA)	≤ 50

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