Table 1: Dye Reference Compounds Investigated for Capillary Electrophoresis, Matrix-Assisted Laser Desorption/Ionization-Mass Spectrometry, and Thin-Layer Chromatography Analysis
Dye Compound |
Other Names |
Formula |
MW (Amu) |
Purity |
Erioglaucine1 |
Acid Blue 9 |
C37H34N2Na2O9S3 |
792.86 |
< 100% |
Coomassie Blue RL1 |
Acid Blue 92 |
C26H16N3Na3O10S3 |
695.59 |
40% |
Tartrazine1 |
Acid Yellow 23 |
C16H9N4Na3O9S2 |
534.37 |
> 90% |
Sulfone Yellow R1 |
Acid Yellow 42 |
C32H24N8Na2O8S2 |
758.71 |
25% |
Metanil Yellow1 |
Acid Yellow 36 |
C18H14N3NaO3S |
375.38 |
70% |
Victoria Pure Blue BO1 |
Basic Blue 7 |
C33H40ClN3 |
514.16 |
95% |
Spectrasol Victoria Pure Blue BO2 |
Basic Blue 7 |
NA |
NA |
80% |
Victoria Blue R1 |
Basic Blue 11 |
C29H32ClN3 |
458.05 |
85% |
Victoria Blue B1 |
Basic Blue 26 |
C33H32ClN3 |
506.10 |
85% |
Rhodamine 6 G1 |
Basic Red 1 |
C28H31ClN2O3 |
479.02 |
95% |
Spectrasol Rhodamine 5 GDN2 |
Basic Red 1 |
NA |
NA |
NA |
Spectrasol Rhodamine 6 GDN2 |
Basic Red 1:1 |
NA |
NA |
NA |
Crystal Violet1 |
Basic Violet 3 |
C25H30ClN3 |
407.99 |
NA |
Spectrasol Oil Black BT2 |
Solvent Black 3 |
NA |
NA |
NA |
Spectrasol Nigrosine SSBQ2 |
Solvent Black 5 |
NA |
NA |
NA |
Spectrasol Nigrosine Base-ILA2 |
Solvent Black 7 |
NA |
NA |
NA |
Spectrasol Black RE2 |
Solvent Black 27 |
NA |
NA |
NA |
Spectrasol Black RL-New2 |
Solvent Black 29 |
NA |
NA |
NA |
Spectrasol Black 462 |
Solvent Black 46 |
NA |
NA |
NA |
Spectrasol Victoria Blue B Base2 |
Solvent Blue 4 |
NA |
NA |
NA |
Victoria Pure Blue BO Base2 |
Solvent Blue 5 |
NA |
NA |
NA |
Spectrasol Blue ARN2 |
Solvent Blue 37 |
NA |
NA |
NA |
Spectrasol Blue 3B2 |
Solvent Blue 43 |
NA |
NA |
NA |
Spectrasol Fast Brown K2 |
Solvent Brown 20 |
NA |
NA |
NA |
Spectrasol Chrysoldine Y Base2 |
Solvent Orange 3 |
NA |
NA |
NA |
Spectrasol Fast Orange GRL2 |
Solvent Orange 25 |
NA |
NA |
NA |
Spectrasol Fast Red BN2 |
Solvent Red 33 |
NA |
NA |
NA |
Spectrasol Rhodamine B5-Base2 |
Solvent Red 49 |
NA |
NA |
NA |
Spectrasol Fiery Red BL2 |
Solvent Red 160 |
NA |
NA |
NA |
Spectrasol Methyl Violet Base2 |
Solvent Violet 8 |
NA |
NA |
NA |
Rhodamine Base B1 |
Solvent Violet 49 |
C28H30N2O3 |
442.56 |
97% |
Spectrasol Fast Yellow TGEX2 |
Solvent Yellow 47 |
NA |
NA |
NA |
1 These samples were used as received from Sigma-Aldrich.
2 These samples were provided by the U.S. Secret Service.