Decay constant for singlet oxygen in the solvent:

Chlorotrifluoromethane

Long, C.A.; Kearns, D.R.
J. Am. Chem. Soc. 97(8): 2018-20 (1975)

Lifetime is 1.0 x 10–3 s
Decay rate is 1.0 x 103 s–1

Experimental method: pulsed laser photolysis, substrate disappearance
Sensitizer is MB,
Substrate is DPBF, kd cor. for 1-2% MeOH content.

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