MXC-DMI

High purity white powder MXC-DMI solid catalyst in a glass dish for polyurethane and epoxy curing
High purity white powder MXC-DMI solid catalyst in a glass dish for polyurethane and epoxy curing
Name 1,2-dimethylimidazole
Formula C₅H₈N₂
CAS No. 1739-84-0
Molecular weight 96.13
Appearance White needle crystal

MXC-DMI Technical Data Sheet

Purity ≥ 99%
Water Content ≤ 1.0%
Melting Point 38.0℃ – 41℃
Boiling Point 204℃
Specific Gravity 1.080 g/cm³
Solubility Soluble in organic solvents
Package 25kg / 150kg / 180kgs net drum
Shelf life One Year

MXC-DMI Chemical Characteristics

Molecular Architecture & High-Purity Profile

mxc-dmi-1-2-dimethylimidazole-cas-1739-84-0-structure
Molecular structure of Ming Xu Chem’s MXC-DMI (CAS 1739-84-0), a potent imidazole-based curing catalyst.

The fundamental structure of MXC-DMI provides unparalleled stability and precision for demanding chemical manufacturing:

  • Heterocyclic Imidazole Ring: Unlike traditional aliphatic amines, this unique five-membered ring offers moderate basicity. It provides highly predictable and controlled catalytic activity without causing aggressive, uncontrolled exotherms.

  • Ultra-High Purity (≥ 99.0%): Supplied as a premium crystalline solid, its near-perfect purity guarantees zero interference from unwanted by-products, ensuring absolute consistency across every production batch.

 

Polyurethane Gelling & Adhesion Performance

High purity white powder MXC-DMI solid catalyst in a glass dish for polyurethane and epoxy curing
MXC-DMI is a high-performance solid catalyst, offering exceptional cross-linking speed for specialty PU elastomers and foams

For polyurethane formulation engineers, MXC-DMI is a powerful tool to enhance structural integrity and surface quality:

  • Selective Gel Catalysis: It acts as a highly efficient gel catalyst, powerfully driving the isocyanate-polyol (urethane) reaction to ensure a rapid, thorough final cure and excellent dimensional stability.

  • Superior Substrate Bonding: The specific chemical nature of the imidazole ring dramatically improves the adhesion of PU foams and coatings to difficult substrates, including metals and specialized plastics.

  • Low-Odor Formulations: Due to its solid crystalline state, it exhibits drastically lower volatility than standard liquid amines, significantly improving the environmental and odor profile of your final PU products.

 

Epoxy Curing & Versatile Applications

Beyond polyurethane, MXC-DMI is highly valued across the broader R&D and chemical manufacturing sectors:

  • Advanced Epoxy Curing Agent: It functions as an exceptional curing agent and accelerator for epoxy resins, widely utilized in electronic encapsulation, heavy-duty coatings, and high-strength composites.

  • Pharmaceutical Intermediate: Its high-purity molecular framework makes it a dependable and widely adopted building block in the organic synthesis of various pharmaceutical compounds and active ingredients.

 

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