Origin. - A volatile oil distilled from pimenta, yielding not less than 65 per cent. by volume of eugenol.

Description and Properties. - A colorless or pale-yellow liquid, having a strong, aromatic, clove-like odor and a pungent, spicy taste. It becomes darker and thicker with age and exposure. The active ingredient of the oil is eugenol.

Dose. - 1-5 minims (0.06-0.3 Cc.) [30 minims (0.2 Cc), U. S. P.J.

Physiological action and therapeutics are similar to those of cloves.