 The compound is a solid at room temperature, forming colourless crystals that melt upon gentle heating.As is typical of most higher-molecular weight alcohols, it is sparingly soluble in water at room temperature, but highly soluble in most common organic solvents.Cinnamyl alcohol has been found to have a sensitising effect on some people and as a result is the subject of a Restricted Standard issued by IFRA (International Fragrance Association).