O-nitrophenol is yellow. This distinct coloration is observed both in its solid form and when dissolved in certain solvents.
Characteristics of o-Nitrophenol's Appearance
O-nitrophenol typically presents as a yellow crystalline powder. Its color remains consistent even when prepared in solution. For instance, a 10% solution of o-nitrophenol in methanol also appears yellow and clear. This consistent yellow hue is a key characteristic of the compound.
Below is a summary of its appearance:
| Characteristic | Description |
|---|---|
| Color (Solid) | Yellow |
| Form | Crystalline powder |
| Color (10% solution in methanol) | Yellow |
| Turbidity (10% solution in methanol) | Clear |
