| Name | Cas number | E’0 (V) vs SHE | Mw (g/mol) |
| N,N,N’,N’-tetramethyl-p-phenylendediamine (TMPD) · (HCl)2 | 637-01-4 | +0.276 | 237.17 |
| 2,6-dichlorophenol indophenol (DCIP), sodium salt | 620-45-1 | +0.217 | 290.08* |
| Phenazine ethosulfate (PES) | 10510-77-7 | +0.055 | 334.4 |
| Methylene blue | 122965-43-9 | +0.011 | 319.85* |
| Resorufin, sodium salt | 34994-50-8 | -0.051 | 235.17 |
| Indigodisulfonate (indigo carmine) | 860-22-0 | -0.125 | 466.35 |
| 2-hydroxy-1,4-naphtaquinone | 83-72-7 | -0.145 | 174.15 |
| Anthraquinone-2-sulfonate Na+ H2O | 153277-35-1 | -0.225 | 328.28 |
| Phenosafranin | 81-93-6 | -0.252 | 322.8 |
| Safranin O | 477-73-6 | -0.280 | 350.84 |
| Neutral red | 553-24-2 | -0.340 | 288.8 |
| Benzyl viologen | 1102-19-8 | -0.350 | 409.4 |
| Methyl viologen | 1910-42-5 | -0.440 | 257.16* |
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