Diethyl Methyl Benzene Diamine (DETDA, E-100)

Diethyl Methyl Benzene Diamine (DETDA), commercially known as E-100 or Ethacure 100, is a versatile liquid aromatic diamine with the CAS Registry Number 68479-98-1 . It is a light yellow to amber transparent liquid  prized for its fast reaction kinetics and ability to enhance the physical properties of various polymers. It serves as a crucial component in high-performance applications.

  • Synonyms:

    Ethacure 100; DETDA; Diethyltoluenediamine; 3,5-Diethyl-2,4-toluenediamine mixture with 3,5-Diethyl-2,6-toluenediamine

  • Formula:

    C₁₁H₁₈N₂

  • CAS NO.:

    68479-98-1

  • Package:

    200KG DRUM

  • Certificate:

    ISO9001

Our Achievement

Global Reach:Our Diethyl Methyl Benzene Diamine (DETDA, E-100) has been successfully exported and applied in key markets across the globe like Korea, Russia, Kenya Etc, Our product has consistent quality and ability to meet diverse international standards


Equivalent Alternatives:Our Diethyl Methyl Benzene Diamine (DETDA, E-100) has served as a reliable alternative to international brands like longza, Albemarle etc,  helping customers reduce costs with comparable (or even superior) results in performance.


Key Applications
  • •Polyurethane/Polyurea Elastomers (RIM Process)
  • •Epoxy Resin Systems
  • •Protective Coatings and Waterproofing
  • •Industrial Lubricants and Oils
  • •Flexible and Rigid Foams
  • •Organic Synthesis Intermediate
The main detailed uses of the product
  • Polyurethane Foam Production
    Polyurethane Foam Production

    TEDA is predominantly used as a gelling catalyst in the production of various polyurethane foams, including flexible, semi-rigid, and rigid foams . It excellently balances the foaming and curing reactions, which is critical for forming fine, uniform foam structures with optimal physical properties .

  • Polyurethane (PU)
    Polyurethane (PU)

    Can be used as a chain extender or crosslinker in certain PU systems.

  • Epoxy Encapsulation & Potting for Electronics
    Epoxy Encapsulation & Potting for Electronics

    Extensively used as a high-performance curing agent for encapsulating and potting transformers, capacitors, and semiconductor devices. It provides excellent electrical insulation, thermal stability, and resistance to thermal cycling.

  • 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 Diethyl Methyl Benzene Diamine (DETDA, E-100)?

Guaranteed Purity and Consistent Quality: We understand that your processes demand reliability. Our DETDA is supplied to meet high purity specifications , ensuring consistent performance and predictable reaction speeds in your formulations. Our rigorous quality control ensures you receive a superior product batch after batch.


Technical Expertise and Reliable Supply: Our team possesses deep knowledge of DETDA applications in polyurethane, polyurea, and epoxy systems. We provide more than just a product; we offer reliable technical support and ensure a stable and timely supply to keep your production lines running smoothly .


Proven Track Record with Industry Leaders: Our products are trusted by leading chemical companies , a testament to our commitment to quality and service excellence. This experience allows us to be a responsive and dependable partner for your business.


Focus on Performance and Efficiency: We supply DETDA that enables fast curing times and enhances the final properties of your products, such as strength, hardness, and hydrolytic resistance , helping you improve productivity and product performance.

Commitment to Quality and Innovation


We are committed to providing high-quality DETDA 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.

Mike Wang
Purchasing director
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