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Tetramethylpropanediamine Cas#110-95-2 TMPDA

  • MOFAN Grade: MOFAN TMPDA
  • Competitor Brand: TMPDA
  • Chemical name: N,N,N',N'-tetramethyltrimethylenediamine; Tetramethylpropanediamine; Tetramethylpropylendiamin
  • Cas Number: 110-95-2
  • Molecular fomula: C7H18N2
  • Molecular weight: 130.23
  • Product Detail

    Product Tags

    Description

    MOFAN TMPDA, CAS: 110-95-2,  colorless to light yellow transparent liquid, soluble in water and alcohol. It is mainly used for the production of polyurethane foam and polyurethane microporous elastomers. It can also be used as curing catalyst for epoxy resin. Acts as specific hardener or accelerator for paints, foams and adhesive resins. Is a non-flammable, clear/ colorless liquid.

    Application

    MOFAN DMAEE03
    TMPDA1

    Typical Properties

    Appearance Clear liquid
    Flash Point (TCC)   31°C
    Specific Gravity (Water = 1) 0.778
    Boiling Point 141.5°C 

    Commercial specification

    Apperance, 25℃ Colorless to light yellow liqiud
    Content % 98.00min
    Water content % 0.50 max

    Package

     160 kg / drum or according to customer needs.

    Hazard statements

    H226: Flammable liquid and vapour.

    H302: Harmful if swallowed.

    H312: Harmful in contact with skin.

    H331: Toxic if inhaled.

    H314: Causes severe skin burns and eye damage.

    H335: May cause respiratory irritation.

    H411: Toxic to aquatic life with long lasting effects.

    Label elements

    4
    1
    2
    3

     Pictograms

    Signal word Danger
    UN number 2929
    Class 6.1+3
    Proper shipping name and description Toxic liquid, flammable, organic, n.o.s. (Tetramethylpropylenediamine)
    Chemical name (Tetramethylpropylenediamine)  

    Handling and storage

    Precautions for safe handling:Technical measures/Precautions
    Storage and handling precautions applicable to products: Liquid. Toxic. Corrosive. Flammable. Dangerous for the environment. Provide appropriate exhaust ventilation at machinery.

    Safe handling advice
    Smoking, eating and drinking should be prohibited in the application area. Take precautionary measures against static discharges. Open drum carefully as content may be under pressure. Provide fire-blanket nearby. Provide showers, eye-baths. Provide water supplies near the point of use. Do not use air for transfers. Prohibit all sources of sparks and ignition - Do not smoke. Use only in an area containing explosion proof equipment.

    Hygiene measures
    Prohibit contact with skin and eyes and inhalation of vapours. When using do not eat, drink or smoke.
    Wash hands after handling. Remove contaminated clothing and protective equipment before entering eating areas.

    Conditions for safe storage, including any incompatibilities:
    Keep in a dry, cool and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.
    Store protected from moisture and heat. Remove all sources of ignition. Provide a catch-tank in a bunded area. Provide impermeable floor.
    Provide waterproof electrical equipment. Provide electrical earthing of equipment and electrical equipment usable in explosive atmospheres.
    Do not store above: 50 °C

    Incompatible products:
    Strong oxidizing agents, Perchlorates, Nitrates, Peroxides, Strong acids, Water, Halogens, Product likely to react violently in alkaline environment, Nitrites, Nitrous acid - Nitrites - Oxygen.

    FAQ

    My polyurethane coating has fish eyes due to improper mixing. Can TMPDA improve compatibility?

    TMPDA has good solubility in both polyols and isocyanates, reducing phase separation and fish-eye defects.

    What is the advantage of TMPDA over TMEDA in rigid foam?

    TMPDA has lower volatility and provides a more balanced gel/blow ratio, leading to finer cells in rigid foam.

    I want to extend the pot life of an epoxy adhesive without losing final hardness. How?

    Use TMPDA (1–3 phr) as a latent accelerator; it gives a slower start but complete cure at room temperature.

    Can TMPDA be used in waterborne polyurethane dispersions?

    Yes, it can be post-added to the dispersion to adjust film formation speed, but do a stability test first.

    My PU elastomer has surface tackiness. How to resolve?

    Increase TMPDA by 0.1–0.2 phr to promote more complete surface cure.

    Is TMPDA suitable for spray-applied rigid foam?

    Yes, its moderate reactivity reduces the risk of nozzle plugging compared to faster catalysts like TMEDA.

    How can I use TMPDA to lower the foam density in one-component foam sealant?

    Add 0.3–0.5 phr to increase blowing efficiency; adjust isocyanate index accordingly.

    Does TMPDA cause yellowing in clear coatings?

    Less than aromatic amines, but some yellowing may occur under UV; use with UV absorbers for exterior applications.

    My production requires a low-odor amine for polyurethane floor screed. Is TMPDA acceptable?

    Yes, TMPDA has a mild amine odor, much lower than TMEDA or PMDETA.

    Can TMPDA be used together with organotin catalysts?

    Absolutely, it synergizes with tin to reduce the total tin requirement by 30–50% in elastomers.


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