1,4-Phenylene Diisocyanate(PPDI)

1,4-Phenylene Diisocyanate(PPDI) is a specialty isocyanate monomer for high-performance polyurethane materials including fibers, elastomers, and coatings with enhanced thermal stability.

  • Synonyms:

    PPDI, p-Phenylene diisocyanate

  • Formula:

    C8H4N2O2

  • CAS NO.:

    104-49-4

  • Package:

    200KG DRUM, 1000KG IBC

  • Certificate:

    ISO9001

Our Achievement

Global Reach:Our 1,4-Phenylene Diisocyanate(PPDI) has been successfully exported and applied in key markets across the globe, including but not limited to: [Russia, Korea, Vietnam, UAE].  Our product has consistent quality and ability to meet diverse international standards.


Equivalent Alternatives:In Europe market, our product has served as a reliable alternative to BASF, Covestro, Evonik, Mitsui Chemicals for several local manufacturers, helping them reduce costs with comparable (or even superior) results in performance.


Key Applications
  • •High-Performance Polyurethane Elastomers
  • •Specialty Coatings & Adhesives
  • •Spandex Fiber Production
  • •Thermoplastic Polyurethane (TPU) for Engineering Plastics
  • •Binder for Composite Materials
  • •Chemical Synthesis Intermediate
The main detailed uses of the product
  • Plastics & Elastomers
    Plastics & Elastomers

    Used as a co-monomer to modify the properties of various plastics and to produce acrylic rubbers.

  • Plastics & Elastomers
    Plastics & Elastomers

    Used as a co-monomer to modify the properties of various plastics and to produce acrylic rubbers.

  • Automotive Seat Production
    Automotive Seat Production

    As a core catalyst for high-resilience foam formulations, it ensures uniform foam rise and optimal open-cell structure, enhancing seat comfort and durability.

  • chemical synthesis
    chemical synthesis

    Used in synthesis of important chemical products like glycol ethers and polyester polyols, serving as a key intermediate in fine chemicals.

Why Choose Our 1,4-Phenylene Diisocyanate(PPDI)?

High Purity: Essential for producing high-performance polyurethanes with superior thermal stability.


Specialty Applications: Ideal for elastomers, coatings, and composites requiring durability.


Technical Expertise: Support for optimizing processing conditions and formulations.

Commitment to Quality and Innovation


We are committed to providing high-quality 1,4-Phenylene Diisocyanate(PPDI) 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
Your questions about our products