Measured second-order rate coefficients (k) for the reactions of the protonated (CH₃CONHOH) and deprotonated (CH₃CONHO⁻) forms of AHA (pK_a = 8.7) and NH₃OH⁺ (pK_a = 6.17) with the e_aq⁻, H˙ atom, and ˙OH radical at room temperature.

Radical species	Second-order rate coefficient (k, M−1 s−1)
	CH3CONHOH	CH3CONHO−	NH3OH+
eaq−	(6.02 ± 0.86) × 108	—	(2.55 ± 0.10) × 109
H˙	(5.43 ± 0.56) × 106	—	(4.01 ± 0.43) × 105
˙OH	(4.75 ± 0.76) × 108	(3.86 ± 0.11) × 109	(1.59 ± 0.06) × 109