FEM-EMZ

FEM-EMZ

CHEMICAL NAME

2-Ethyl-4-Methylimidazole

STRUCTURAL FORMULA

MOLECULAR FORMULA

C₆H₁₀N₂

MOLECULAR WEIGHT

110.16

CAS NO.

PROPERTY

• Low viscosity and low volatility, easy to handle at room temperature.
• Medium-temperature curing imidazole catalyst, with a curing temperature range of 60–150°C.
• Excellent compatibility with epoxy resins and effective at low addition levels.
• The cured material offers good heat resistance, mechanical strength, and electrical insulation properties.
• Stable during long-term storage; if crystallization occurs, it can be restored by heating without affecting performance.

APPLICATIONS

• Epoxy resin curing agent / accelerator: used in potting, casting, laminating, adhesives, insulating varnishes, and powder coatings.
• Synthetic intermediate: used in pharmaceuticals, pesticides, dyes, and organic synthesis catalysts.
• Electronic packaging: used for insulation and protection of semiconductors, coils, and PCB boards.

INDEX

CURING CONDITIONS

When used as an epoxy curing agent, the curing conditions are 60°C for 2 hours, 70°C for 4 hours, or 70°C for 1 hour followed by 150°C for 4 hours. The heat distortion temperature of the cured material is 150–170°C.

PACKAGING AND STORAGE

Packed in 1 kg cans (or buckets), with a shelf life of two years.
Keep away from fire and heat sources during storage, and protect from light. Store in tightly sealed containers in a cool, dry, and well-ventilated place. Keep away from incompatible substances such as strong oxidizing agents and acids. After opening, use the product as soon as possible, preferably all at once. Do not leave it exposed to air for an extended period after opening, as this may affect product quality.

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