2-tert-Butyl-1,4-benzoquinone is a food additive oxidant, an electrophilic metabolite of Butylated hydroxyanisole (HY-B1066), and an antibacterial agent. 2-tert-Butyl-1,4-benzoquinone reduces virulence factors, activates Nrf2, and induces S-arylation of its negative regulator Keap1. 2-tert-Butyl-1,4-benzoquinone induces HO-1. 2-tert-Butyl-1,4-benzoquinone exhibits quorum sensing inhibitory activity against Chromobacterium violaceum[1][2].