N,N'-Dimethyl-1,3-Propanediamine

N,N'-Dimethyl-1,3-propanediamine is an organic compound classified as an aliphatic diamine. It has the molecular formula C₅H₁₄N₂ and a molecular weight of 102.18 g/mol. Its CAS Registry Number is 111-33-1.

  • Synonyms:

    1,3-Bis(methylamino)propane N,N'-Dimethyl-1,3-diaminopropane N,N'-Dimethyltrimethylenediamine 2,6-Diazaheptane

  • Formula:

    C₅H₁₄N₂

  • CAS NO.:

    111-33-1

  • Package:

    165kg/drum

  • Certificate:

    ISO9001

Our Achievement

Global Reach: Our N,N'-Dimethyl-1,3-Propanediamine has been successfully exported and applied in key markets across the globe, including but not limited to South Africa, Indonesia, Thailand, Vietnam and Brazil. Our product has consistent quality and ability to meet diverse international standards.


Equivalent Alternatives:  Our product has served as a reliable alternative to Solvay, Mitsubishi Gas Chemical, Sigma‑Aldrich and TCI for several local manufacturers, helping them reduce costs with comparable (or even superior) results in performance.


Key Applications
  • • Epoxy Resin Curing Agent & Accelerator
  • • Professional Organic Synthesis Intermediate
  • • Pharmaceutical & Biochemical Intermediate
  • • Functional Resin & Water Treatment Materials
  • • Industrial Special Additives
  • • Cyanide-Free Electroplating Auxiliaries
The main detailed uses of the product
  • Epoxy Curing Agent
    Epoxy Curing Agent

    Produces coatings, composites, and adhesives with excellent UV resistance, chemical resistance, and mechanical strength.

  • Epoxy Curing Agent
    Epoxy Curing Agent

    Used as a flexible curing agent for epoxy resins in composites, coatings, and adhesives, providing improved toughness and impact resistance.

  • Epoxy Resin Curing Agent
    Epoxy Resin Curing Agent

    Widely used as a room-temperature curing agent for epoxy resins in coatings, adhesives, and flooring compounds. It provides fast cure, high crosslink density, and excellent chemical and heat resistance in the final product.

  • Epoxy Resins
    Epoxy Resins

    A significant portion of BPA is used in the manufacture of epoxy resins . These resins are widely used as protective coatings for metal cans (food and beverage containers), automotive primers, industrial floorings, and as adhesives due to their excellent corrosion resistance and adhesion properties .

Why Choose Our N,N'-Dimethyl-1,3-Propanediamine?

We deliver premium-grade N,N'-Dimethyl-1,3-Propanediamine with strict quality control, reliable batch stability and customized service for global industrial and R&D clients. Our product features high purity, minimal impurities and stable chemical reactivity, ensuring consistent performance in epoxy curing, organic synthesis, pharmaceutical intermediate production and water treatment material manufacturing. With standardized production processes, complete certification documents and stable supply capacity, we support bulk industrial orders and small-batch research orders. Meanwhile, we provide professional technical support and thoughtful after-sales service, helping customers reduce production costs, improve product yield and stabilize final product quality, making us a trustworthy long-term cooperative supplier worldwide.

Commitment to Quality and Innovation

We are committed to providing high-quality N,N'-Dimethyl-1,3-Propanediamine that meets stringent international standards. Our focus on innovation and sustainability ensures that our products not only enhance your applications but also align with evolving environmental regulations and industry trends.

Your questions about our products