Tinctura Benzoini. U. S. Tincture of Benzoin.
Teinture (alcoole) de Benjoin, Fr. Cod.; Tinctura Benzoes, P. G.; Benzoetinktur, G.; Tintura di benzoino, It.; Tintura alcoholica de benjui, Sp.
"Benzoin, in No. 40 powder, two hundred grammes [or 7 ounces av., 24 grains]; to make one thousand mils [or 33 fluidounces, 6 ½ fluidrachms]. Prepare a Tincture by Type Process M, using alcohol as the solvent." U. S.
This tincture was introduced into the Pharmacopoeia chiefly for the purpose of adding to ointments to prevent rancidity. This, however, is bad pharmaceutical practice and is hardly ever followed.
Dose, fifteen to thirty minims (0.9-1.8 mils).