Table 1. Absorption maxims and extinction for the red-most absorption band of Radachlorin in various media

PS	max,nm Е, 1% 1cm (0.01 M borate buffer, pH9.18)	max,nm E,1% 1cm (0.01 M borate buffer with 1 % HSA added, pH 7.2)	max,nm E,l%1cm (ethanol)
Radachlorin	654,5 (407)	662 (490)	662 (493)
Comparison –sulfonated AlCI-phthalocyanine "Photosense"	670(1360)	672 (1425)	671 (1420)