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 |