Sources/Uses
Used to make pharmaceuticals, photographic and photothermographic chemicals, dyes, pigments, agricultural chemicals, and rubber; Also used in epoxy resin systems for semiconductor potting compounds and soldering masks, as dyeing auxiliary for acrylic fibers and plastic foams, and in polymers such as epoxy resin pastes and acrylic rubber-fluororubber; [HSDB] Present in caramel coloring, tobacco smoke, wine, soy sauce, and other foods; Also formed when ammonia is added to livestock feed to increase nutritional value; Used in various polymers including acrylic rubber-fluororubber laminates, films, adhesives, textile finishes, and epoxy silane coatings; [NTP]
Comments
Causes neurological effects including convulsions and tremors in livestock and experimental animals; Changes in thyroid hormone concentrations, anemia, and testicular degeneration observed in studies of rodents; [NTP] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Toxic by ingestion; [Alfa Aesar MSDS] See "4-Methylimidazole."