Skip to main content
. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: Crit Rev Biochem Mol Biol. 2021 Mar 15;56(3):221–235. doi: 10.1080/10409238.2021.1893641

Table 1.

Rate constants for reactions of H2S with one- and two-electron oxidants.

O2•− + H2S + H+ → H2O2 + HS• 200 M−1s−1 [1]
•OH + H2S → H2O + HS• 1.5 × 1010 M−1s−1 [2]
CO3•− + H2S → HS• +CO32− + H+ 2 × 108 M−1s−1 [3]
H2O2+ H2S → HSOH + H2O 0.73 M−1s−1 [4]
ONOOH + H2S → HSOH + HNO2 4.8 × 103 M−1s−1 [5]
HSOH + H2S → HSSH + H2O 1 × 105 M−1s−1 [6]
HOCl + H2S → HSCl + H2O 8 × 107 M−1s−1 [7]