Triethylamine (TEA)

Triethylamine (TEA) is a clear, volatile, flammable liquid with a strong, fishy, ammonia-like odor, widely used in organic chemistry as a base, catalyst, and acid scavenger for making esters, amides, pharmaceuticals, pesticides, and polymers like polyurethanes, acting as an essential acid neutralizer and building block in various syntheses, though it's corrosive and irritant, requiring careful handling