The oil has an agreeable, sweet odor and boils at from 392° to 431.6° F.: Wintergreen oil.

2. The oil shows a neutral reaction.

a. The oil is laevorotatory.

It becomes blue by the addition of sulphuric acid: Oil of cloves.

b. The oil is optically inactive.

The thick oil gives with sulphuric acid a turbid, black-brown fluid; the odor is agreeable: Cinnamon oil.

c. The oil is dextrorotatory.

The thick oil has an agreeable odor: Sassafras oil.