|
Indicators |
Sorbitan Monolaurate (Span 20) |
Sorbitan Monopalmitate (Span 40) |
Sorbitan monostearate (Span 60) |
Sorbitan monooleate (Span 80) |
| Appearance (20 ° C) | Amber viscous liquid | Pale yellow powdery solid | Pale yellow powdery solid | Amber viscous liquid |
| Acid number (mg KOH/g) | ≤ 7 | ≤ 7 | ≤ 10 | ≤ 8 |
| Saponification value (mg KOH/g) | 155~170 | 140~155 | 147~157 | 145~160 |
| Hydroxyl value (mg KOH/g) | 330~360 | 270~305 | 235~260 | 193~210 |
| HLB value | 8.6 | 6.7 | 4.7 | 4.3 |
