Table 2.
Results of cosurfactant and cosolvent screening for Imwitor® 988.
| Oil | Surfactant | Cosurfactant or Cosolvent |
% Transmittance | Appearance |
|---|---|---|---|---|
| Imwitor® 988 | Kolliphor® RH40 | Capryol™ 90 | 99.68 | Clear |
| PEG 200 | 99.62 | Clear | ||
| Lauroglycol™ 90 | 99.33 | Clear | ||
| Transcutol® P | 99.28 | Clear | ||
| Propylene glycol | 98.91 | Clear | ||
| PEG 400 | 98.90 | Clear | ||
| Plurol® Oleique CC | 98.88 | Clear | ||
| * Kolliphor® RH40 | 98.56 | Clear | ||
| Lauroglycol™ FCC | 97.33 | Clear | ||
| Kolliphor® ELP | PEG 200 | 99.77 | Clear | |
| PEG 400 | 99.62 | Clear | ||
| Capryol™ 90 | 99.48 | Clear | ||
| Lauroglycol™ FCC | 99.08 | Clear | ||
| Propylene glycol | 99.05 | Clear | ||
| * Kolliphor® ELP | 97.47 | Clear | ||
| Transcutol® P | 97.30 | Clear | ||
| Lauroglycol™ 90 | 95.58 | Clear | ||
| Plurol® Oleique CC | 70.13 | Bluish white | ||
| Kolliphor® HS15 | PEG 200 | 99.90 | Clear | |
| Transcutol® P | 99.74 | Clear | ||
| PEG 400 | 99.55 | Clear | ||
| Propylene glycol | 99.46 | Clear | ||
| Capryol™ 90 | 98.93 | Clear | ||
| Lauroglycol™ FCC | 97.51 | Clear | ||
| * Kolliphor® HS15 | 96.00 | Clear | ||
| Lauroglycol™ 90 | 85.46 | Bluish | ||
| Plurol® Oleique CC | 75.66 | Bluish white |
* Shaded rows indicate the results of surfactant screening (50% oil–50% surfactant)