Erythromycin stearate (Ethril, Wyamycin S, Erypar) is thestearic acid salt of erythromycin. Like erythromycin base,the stearate is acid labile. It is film coated to protect it fromacid degradation in the stomach. In the alkaline pH of theduodenum, the free base is liberated from the stearateand absorbed. Erythromycin stearate is a crystalline powderthat is practically insoluble in water but soluble in alcoholand ether.
공기와 물의 반응
Insoluble in water.
반응 프로필
A base. Readily forms salts with acids.
화재위험
Flash point data for Erythromycin stearate are not available; however, Erythromycin stearate is probably combustible.