Chloro-1,4-benzenediol Singlet oxygen

Martire, D.O.; Braslavsky, S.E.; Garcia, N.A.
J. Photochem. Photobiol., A 61, 113-124 (1991)

Reaction: Chloro-1,4-benzenediol + ¹O₂^* ® products and/or physical quenching
Solvent: Acetonitrile

k = 1.6 × 10⁷(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Rose Bengal dianion.

Martire, D.O.; Braslavsky, S.E.; Garcia, N.A.
J. Photochem. Photobiol., A 61, 113-124 (1991)

Reaction: Chloro-1,4-benzenediol + ¹O₂^* ® products
Reference Reaction: 9,10-Dimethylanthracene + ¹O₂^* ®
Solvent: Acetonitrile

k_react = 3 × 10⁵(L mol^-1 s^-1), k_reference = 1.3 × 10⁸(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Relative value measured by steady state method

Photosensitizer = Mesoporphyrin IX, dimethyl ester.

Martire, D.O.; Braslavsky, S.E.; Garcia, N.A.
J. Photochem. Photobiol., A 61, 113-124 (1991)

Reaction: Chloro-1,4-benzenediol + ¹O₂^* ® products and/or physical quenching
Solvent: Deuterium oxide

k = 6.0 × 10⁷(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Rose Bengal dianion.

Martire, D.O.; Braslavsky, S.E.; Garcia, N.A.
J. Photochem. Photobiol., A 61, 113-124 (1991)

Reaction: Chloro-1,4-benzenediol + ¹O₂^* ® products
Reference Reaction: DL-Histidine + ¹O₂^* ®
Solvent: Water

k_react = 1.7 × 10⁷(L mol^-1 s^-1), k_reference = 7 × 10⁷(L mol^-1 s^-1), T = 293K

Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method

Photosensitizer = Eosin dianion.

Martire, D.O.; Braslavsky, S.E.; Garcia, N.A.
J. Photochem. Photobiol., A 61, 113-124 (1991)

Reaction: Chloro-1,4-benzenediol + ¹O₂^* ® products and/or physical quenching
Solvent: Dioxane

k = 9.7 × 10⁶(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = 5,10,15,20-Tetraphenylporphinatozinc(II).