Similar names: 2-Hydroxy-1,4-naphthoquinone; 1,4-Naphthalenedione, 2-hydroxy- (9CI, ACI); 1,4-Naphthoquinone, 2-hydroxy- (6CI, 8CI); 2-Hydroxy-1,4-naphthalenedione (ACI); 1,4-Dihydro-1,4-dioxo-2-hydroxynaphthalene; 2-Hydroxy-1,4-dihydronaphthalene-1,4-dione; 2-Hydroxy-1,4-naphthoquinone; 2-Hydroxynaphthoquinone; C.I. 75480; C.I. Natural Orange 6; Flower of Paradise; Henna; Henna (dye); Lawsone; Mehendi; Mendi; NSC 27285; NSC 52500; NSC 8625; Pakarli; Q 0; Quino Power LSN; Quinoexter 2014; Quinoexter QE 2014