Table 1. Solubility of phthalocyanines.

Solubility

Lipophilic structures

Hydrophilic structures

Amphiphilic structures

Compounds

3, 3b, 4

1*, 2*,

1a**, 2a**,

3c**, 4a**

3a

Note. Soluble in aqueous solutions of acids (*).
          Soluble in aqueous solutions of bases (**).