Sudan brown

Su·dan brown

(sū-dan' brown), [C.I. 12020]
A brown stain derived from α-naphthylamine and used as a stain for fats.
References in periodicals archive ?
With styles to complement the outdoor environment, the hues are appropriately named: Beetle, Sudan Brown, Redwood, Carlsbad Canyon, Pearl Copper, Champagne 302 and Champagne 304.