diazomethane

noun
di·​azo·​methane | \ (ˈ)dī¦a(ˌ)zō, -ā(ˌ)zō+\

Definition of diazomethane

: a yellow odorless poisonous explosive gaseous compound CH2N2 used chiefly as a methylating agent (as for converting organic acids into their methyl esters) and in converting organic acids into the next higher homologues

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History and Etymology for diazomethane

International Scientific Vocabulary diaz- + methane

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