6-Bromo-N,N-dibutyl-2-naphthalenamine

6-Bromo-N,N-dibutyl-2-naphthalenamine is an intermediate in the synthesis of Di-4-ANBDQPQ (Mixture of E/Z isomers, ~90%) (D416433). Di-4-ANBDQPQ is a voltage-sensitive hemicyanine dye that is used to probe the electrical activity in cells.