[dahy-bawr-eyn, -bohr-]
noun Chemistry.
a colorless gas with an unpleasant odor, B 2 H 6 , used in the synthesis of organic boron compounds as a dope to introduce boron and as a polymerization catalyst for ethylene.

di-1 + borane

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The risk of a fire or explosion is always present when handling diborane and other highly active boron hydrides.
Some dopant gases that are used include arsine, phosphine, and diborane.
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