Leucomycin complex (kitasamycin) is a family of closely related macrocyclic lactone antibiotics produced by Streptomyces kitasatoensis, discovered in 1953. The complex contained over 14 components with analogues A1, A4, A5, and A13 being the most abundant analogues. Leucomycin complex is used as an animal health product for control of Gram positive bacteria, Gram negative cocci, leptospira and mycoplasma.

Density:

1.25

Boiling Point:

851.7 °C at 760 mmHg

Melting Point:

120-130°C

Flash Point:

468.9 °C

Storage Temperature:

Sealed in dry,2-8°C

Refractive index:

1.532