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Table 1: Dye Reference Compounds Investigated for Capillary Electrophoresis, Matrix-Assisted Laser Desorption/Ionization-Mass Spectrometry, and Thin-Layer Chromatography Analysis

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.