Table 2:
Solubility profile of etoricoxib in water-PEG 400 mixture at room temperature.
Water (% v/v)
Polyethylene glycol 400 (% v/v)
Dielectric constant
Solubility of etoricoxib (
𝑆
𝑚
, mg/mL) (Mean ± S.D.,
𝑛
=
3
)
0
100
12.50
2
.
1
9
1
8
±
0
.
0
8
2
8
10
90
19.00
2
.
0
8
4
0
±
0
.
0
6
0
7
20
80
25.59
1
.
7
6
6
4
±
0
.
0
5
5
2
30
70
32.19
1
.
4
3
1
1
±
0
.
0
4
1
7
40
60
38.78
1
.
1
6
8
2
±
0
.
0
3
1
2
50
50
45.38
0
.
8
3
2
9
±
0
.
0
2
1
0
60
40
51.98
0
.
6
0
4
4
±
0
.
0
0
9
8
70
30
58.57
0
.
3
7
5
7
±
0
.
0
0
6
6
80
20
65.17
0
.
2
7
0
8
±
0
.
0
0
4
3
90
10
71.76
0
.
1
5
9
0
±
0
.
0
0
3
7
100
0
78.36
0
.
0
7
6
7
±
0
.
0
0
1
8