Table 1.
Kinetic parameters for the thermal-degradation and photodegradation of C3G and its derivative. k (h-1), rate constant; t 1/2, half-life time.
| Stability | Condition | Sample | k (h-1) | t 1/2 |
|---|---|---|---|---|
| Thermostability | 65 | C3G | 0.10618 (0.9919) | 6.5280 |
| C3G-octaonic acid | 0.03875 (0.9815) | 17.8877 | ||
| 80 | C3G | 0.14926 (0.9841) | 4.6439 | |
| C3G-octaonic acid | 0.10937 (0.9740) | 6.3376 | ||
| 90 | C3G | 0.22990 (0.9782) | 3.0150 | |
| C3G-octaonic acid | 0.13304 (0.9713) | 5.1960 | ||
| Photostability | Incandescent light | C3G | 0.00615 (0.9806) | 112.71 |
| C3G-octaonic acid | 0.00123 (0.9868) | 563.53 | ||
| UV | C3G | 0.00202 (0.9985) | 343.14 | |
| C3G-octaonic acid | 0.00152 (0.9953) | 456.02 |