Broad spectrum aminocyclitol antibiotic and component of the Nebramycin complex, produced by a strain of Streptomyces tenebrarius. Antibacterial.Appearance:Pale yellow to yellow/brown powderPurity (dried basis):≥550ug/mgLoss on Drying: ≤10%Heavy Metals:≤0.002%Sulfated Ash:≤1.0%Form:Pale Yellow SolidMelting Point:>168°C (dec.)Solubility:Water