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2,2′-dimorpholinyldiethyl ether Cas#6425-39-4 DMDEE Featured Image
  • 2,2′-dimorpholinyldiethyl ether Cas#6425-39-4 DMDEE
  • 2,2′-dimorpholinyldiethyl ether Cas#6425-39-4 DMDEE
  • 2,2′-dimorpholinyldiethyl ether Cas#6425-39-4 DMDEE

2,2′-dimorpholinyldiethyl ether Cas#6425-39-4 DMDEE

  • MOFAN Grade: MOFAN DMDEE
  • Competitor Brand: JEFFCAT DMDEE by Huntsman,DMDEE
  • Chemical name: 2,2'-dimorpholinyldiethyl ether; 4-{2-[2-(morpholin-4-yl)ethoxy]ethyl}morpholine
  • Cas Number: 6425-39-4
  • Molecular fomula: C12H24N2O3
  • Molecular weight: 244.33

    • Product Detail

    Product Tags

    Description

    MOFAN DMDEE is a tertiary amine catalyst for the production of polyurethane foam, especially suitable for the manufacturing of polyester polyurethane foams or for the preparation of one component foams (OCF)

    Application

    MOFAN DMDEE is used in polyurethane(PU) injection grouting for waterproof, one component foams,Polyurethane (PU) foam sealants,polyester polyurethane foams etc.

    MOFAN DMDEE3
    MOFAN DMDEE01
    MOFAN DMAEE02
    MOFAN DMDEE2
    MOFAN DMDEE4

    Typical Properties

    Appearance  
    Flash Point, °C (PMCC) 156.5
    Viscosity @ 20 °C cst 216.6
    Specific Gravity @ 20°C (g/cm3) 1.06
    Water Solubility completely miscible
    Calculated OH Number (mgKOH/g) NA

    Commercial specification

    Apperance,25℃ colourless to light yellow liquid
    Content % 99.00min
    Water content % 0.50 max

    Package

    200kg / drum or according to customer needs.

    Hazard statements

    H319: Causes serious eye irritation.

    Label elements

    2

     Pictograms

    Signal word Warning
    Not regulated as dangerous goods.

    Handling and storage

    Advice on protection against fire and explosion
    Normal measures for preventive fire protection.

    Advice on safe handling
    Do not breathe vapours/dust. Avoid exposure - obtain special instructions before use. Avoid contact with skin and eyes. Smoking, eating and drinking should be prohibited in the application area. Dispose of rinse water in accordance with local and national regulations. Persons susceptible to skin sensitisation problems or asthma, allergies, chronic or recurrent respiratory disease should not be employed in any process in which this mixture is being used.

    Conditions for safe storage
    Keep container tightly closed in a dry and well-ventilated place. Electrical installations / working materials must comply with the technological safety standards.

    Materials to avoid
    Keep away from strong acids.

    FAQ

    I produce one-component moisture-cure polyurethane sealants. How does DMDE work?

    DMDE is a latent catalyst; it becomes active only in the presence of moisture, giving long storage stability (≥12 months).

    My sealant skins over too fast, leaving wrinkles. How to adjust?

    Lower DMDE to 0.2–0.3 phr to slow down the surface cure, allowing enough time for leveling.

    Can DMDE be used in hot-melt polyurethane adhesives (HMPUR)?

    Yes, it is the industry standard for moisture-cure HMPUR, providing stable viscosity at 120°C and fast green strength.

    What is the typical dosage of DMDE in a one-component floor coating?

    0.5–1.0 phr (based on prepolymer) for a tack-free time of 2–4 hours at 50% RH.

    My moisture-cure elastomer has bubbles due to too fast CO2 release. How to fix?

    Reduce DMDE to 0.1–0.2 phr and add a moisture scavenger like p-TSI.

    Does DMDE cause yellowing in light-colored sealants?

    Minimal; it is a morpholine derivative and is known for good color stability.

    Can DMDE be used together with a drier like molecular sieves?

    Yes, but ensure the sieves do not absorb DMDE; use a paste form or pre-blend with plasticizer.

    My one-component foam sealant (can foam) has poor shelf life. Can DMDE extend it?

    Yes, DMDE-based formulations can have shelf life of 18–24 months in aerosol cans.

    What is the advantage of DMDE over DBTDL in moisture-cure systems?

    DMDE is non-toxic (no tin) and does not cause hydrolysis of ester groups in polyester polyols.

    How can I increase the cure speed of a one-component coating in cold, dry winter conditions?

    Increase DMDE to 1.2–1.5 phr and add a humidity accelerator like water-donating solvents.

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