Eosin Y, C20H12Br4Na2O8, CAS Number-17372-87-1, 2',4',5',7'-Tetrabromofluorescein, disodium salt, C.I. 45380, Eosin Yellowish, 2', 4', 5', 25g, 1.21 to 1.77, 19, IV, 2917, Brown to Brown-Green, 1.0180g/mL, 80% min., 691.85, Pure, Warning, G
Erythrosin B, C20H6I4Na2O5, CAS Number-16423-68-0, C.I. 45430, Acid Red 51, 25g, 1.15 to 1.55, 19, II, 258, Brown to Red, 80% min., 879.85, Pure, Warning, GHS H Statement: Harmful if swallowed.
Nigrosine, C15H15N, CAS Number-8009-03-8, C.I. 50420, Acid Black 2, 25g, 0.93 to 1, Black to Black-Red, Pure, WJZSZXCWMATYFX-UHFFFAOYSA-N, Authentic, 1,1,2-trimethylbenzo[e]indole, 575 to 605nm, 209.29, Crystalline Powder, 170530, CC1-NC2-C