Table 1 Solubilities of dyes (wt%).

From: Simple modification of basic dyes with bulky & symmetric WCAs for improving their solubilities in organic solvents without color change

Dyes

Non-modified

Counter anion 1 (BI)

BB7-non

BB26-non

EV-non

BB7-BI

BB26-BI

EV-BI

H2O

4.12

10.50

3.48

0.00

0.00

0.54

Methanol

21.85

14.13

43.42

21.27

15.60

19.06

Acetone

1.89

0.59

1.30

30.82

4.38

16.33

EA

1.69

0.27

0.14

38.75

0.70

6.41

MC

12.23

8.21

16.51

26.67

12.52

26.32

CF

14.91

4.87

16.38

33.97

10.90

28.59

PGMEA

0.23

0.00

0.33

28.34

4.81

15.14

Dyes

Counter anion 2 (BB)

Counter anion 3 (UB)

BB7-BB

BB26-BB

EV-BB

BB7-UB

BB26-UB

EV-UB

H2O

0.00

0.00

0.14

0.00

0.23

1.08

Methanol

9.96

28.30

19.91

13.33

2.30

10.47

Acetone

22.89

4.27

29.23

7.74

4.43

6.86

EA

11.17

1.28

20.35

20.10

5.50

6.17

MC

29.05

23.61

56.74

3.16

5.56

6.67

CF

25.23

17.36

40.65

3.46

4.19

4.07

PGMEA

13.89

5.21

15.80

6.62

3.88

3.73

  1. The solubilities of the modified dyes that be increased more than 2 wt% in comparison to unmodified dyes are written in bold type.
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