2-methylimidazole
Description
2-Methylimidazole (CAS 693-98-1), commonly abbreviated as 2-MZ, is a heterocyclic amine used as a curing agent and catalyst in epoxy resin systems. It accelerates crosslinking reactions at elevated temperatures.
This chemical enables manufacturers to achieve controlled cure profiles across a range of thermoset formulations. In electronics manufacturing, 2-MZ is a standard curing agent for epoxy-based printed circuit board laminates.
It is also utilized in underfill compounds and encapsulants where precise Tg control is critical. Powder coating formulators use it to catalyze epoxy-polyester hybrid systems, adjusting cure speed and flow characteristics.
These applications are common for industrial and architectural finishes. Structural adhesive producers incorporate it into one-component epoxy systems that require latent reactivity for long-term stability.
The material remains stable at room temperature but activates rapidly under heat. It also functions as a pH buffer and intermediate in the synthesis of specialty imidazole derivatives used in pharmaceutical manufacturing.
The product is further utilized in agrochemical manufacturing processes. 2-Methylimidazole is supplied as an off-white to pale yellow crystalline powder for various industrial and laboratory requirements.
Technical grade is the standard commercial form, with high-purity grades available for electronics and specialty chemical applications. It is typically offered in kilogram-scale bags through to bulk quantities.
Physical Properties
| Melting Point | 144 °C |
| Boiling Point | 270 °C |
| Density | 1.03 g/cm³ (crystal) |
| Flash Point | 155 °C |
| Appearance | white to light yellow crystalline powder |
| Color | White to light yellow |
| Form | Crystalline Powder |
| Water Solubility | Soluble in water and ethanol. |
| Vapor Pressure | <1 mm Hg ( 0 °C) |
| Refractive Index | 1.4970 (estimate) |
| pH | 10.5-11.5 (100g/l, H2O, 20℃) |
| Log P | 0.22 at 25℃ |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29332990 |
| UN Number | 3259 |
| ADR Class | 8 |
| Packing Group | II |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 2 |
Documentation
Other Names
2-Methyl-1H-imidazole|1H-Imidazole, 2-methyl-|T0049Z45LZ|CUREZOL-2MZ-P|IMICURE-AMI 2|EPICURE-MI 2|EPIKURE-MI 2|Imidazole, 2-methyl-|2-MZ
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