Oxide radical ion Bis(hydroxy)tetrakis(4-sulfonatophenyl)porphinatomanganate(III) ion

Morehouse, K.M.; Neta, P.
J. Phys. Chem. 88, 1575-1579 (1984)

Reaction: O·^- + MnTPPS(OH)₂^5- ® MnTPPS(OH)₂^4- + OH^-
Solvent: H₂O

k = 3.4 × 10⁸(L mol^-1 s^-1), pH = 14

Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly

D.k.;~50% oxid. to Mn^IV.