Microwave-Promoted Synthesis of Sulfonated Metallophthalocyanines and Aggregation in Different Solvents

Table 3

Aggregation equilibrium constant of the five sulfonated phthalocyanine metals (30°C).

Sulfonated phthalocyanine metals	in solution of DMF/mol^−1·L	in solution of 5% sodium hydroxide/mol^−1·L
CoSPc	6.16 × 10^3	2.62 × 10^3
ZnSPc	4.72 × 10^3	1.79 × 10^3
CuSPc	1.50 × 10^4	2.79 × 10^2
FeSPc	6.45 × 10^2	1.51 × 10^3
NiSPc	7.10 × 10^3	2.39 × 10^3