Rifaximin(Xifaxan) is an orally administered, semi-synthetic, nonsystemic antibiotic derived from rifamycin SV with antibacterial activity.
Properties:
Appearance & Physical State: Red-Orange Crystalline Powder
Density: 1.366 g/cm3
Melting Point: 200-205ºC(dec)
Refractive Index: 1.633