O-toluidine appears as a clear colorless or light yellow liquid. May become reddish brown on exposure to air and light. Flash point 185°F. Has about the same density as water and is very slightly soluble in water.

Is toluidine is soluble in water?

The toluidines are poorly soluble in pure water but dissolve well in acidic water due to formation of ammonium salts, as usual for organic amines.

Is p-Toluidine a solid or liquid?

p-Toluidine is an off-white, crystalline (sand-like) solid or a liquid. It is used in making dyes and as a reagent.