| Chemical media | Solubility test | Colour change | ||
| Cold | Hot | Cold | Hot | |
| Hydrochloric acid | Nil | Nil | Nil | Very slight |
| Methanol | Nil | Nil | Nil | Nil |
| Toluene | Nil | Nil | Nil | Nil |
| Ethanol | Nil | Nil | Nil | Nil |
| 2-propanol | Nil | Nil | Nil | Nil |
| Chloroform | Nil | Nil | Nil | Nil |
| Acetic acid | Dissolves slightly | Dissolves slightly | Nil | Nil |