Triethylborane (TEB), also called triethylborine and triethylboron, is an organoborane (an organometallic compound), a near-colorless to yellowish transparent liquid with pungent ether-like odor. Its chemical formula can be written as C6H15B, or (CH3CH2)3B, or (C2H5)3B, or Et3B. Triethylborane is strongly pyrophoric, igniting spontaneously in air. It burns intensely with a very hot flame. The color of the flame is apple-green, which is characteristic for boron compounds. Its fire shouldn't be e… (More on Triethylborane)