Reduction Potentials

2-Methyl-1,4-naphthoquinone

(R² = CH₃)

Meisel, D.; Czapski, G.
J. Phys. Chem. 79(15): 1503-9 (1975)

E = –203(mV), ionic strength = ~0.02, pH = 7

Reference compound: O₂ (1 atm.)
Reference E: –325 mV
Co-solute: HCO₂^–

Concentrations used to estimate equilibrium constant.

Meisel, D.; Czapski, G.
J. Phys. Chem. 79(15): 1503-9 (1975)

E = –206(mV), ionic strength = ~0.01, pH = 7

Reference compound: DQ
Reference E: –235 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant; Calculated by the present author from data in reference shown.

Wilson, I.; Wardman, P.; Lin, T.S.; Sartorelli, A.C.
J. Med. Chem. 29(8): 1381-4 (1986)

E = –203(mV), ionic strength < 0.01, pH = 7.67

Reference compound: O₂; (1 mol dm^–3)
Reference E: –155 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant.

Wilson, I.; Wardman, P.; Lin, T.S.; Sartorelli, A.C.
J. Med. Chem. 29(8): 1381-4 (1986)

E = –199(mV), ionic strength = -> 0, pH = 7.67

Reference compound: BV²⁺
Reference E: –354 mV
Co-solute: 2-PrOH

Concentrations used to estimate equilibrium constant.