Table 5. Eutectic Compositions and Temperatures for the Four Eutectic Systems.
| eutectic composition | eutectic temperature (°C) | mp second componenta (°C) |
|---|---|---|
| HKA:urea 1:3 | 98 | 135 |
| HKA:salicylic acid 1:1 | 119 | 160 |
| HKA:panthenol 1:3 | 62 | 67 |
| HKA:nicotinamide 2:3 | 97 | 130 |
mp of HKA is 155 °C.