6362-29-4 Acid dye carbinol base Benzenesulfonic acid, 4-[bis[4-(dimethylamino)phenyl]hydroxymethyl]-, monosodium salt C.I. 42020 NSC74698 p-Toluenesulfonic acid, .alpha.,.alpha.-bis[p-(dimethylamino)phenyl]-.alpha.-hydroxy-, sodium salt