What is "tetramethylethylenediamine"

n. (context organic compound English) An organic compound derived from ethylenediamine by replacement of the four N-H groups with four N-methyl. It has a fishy odour and is used as a reagent and a ligand for metal ions.

Tetramethylethylenediamine (TMEDA or TEMED) is a chemical compound with the formula (CH)NCHCHN(CH). This species is derived from ethylenediamine by replacement of the four amine hydrogens with four methyl groups. It is a colorless liquid, although old samples often appear yellow. Its odor is remarkably similar to that of rotting fish.

This page provides supplementary chemical data on tetramethylethylenediamine.