Oxytetracycline+Colistin sulfate
- CAS NO. : 79-57-2+1264-72-8
- CAT NO. : PH-API-7228
Physical State: Solid (mixture of crystalline powders)
Color/Appearance: Yellow to off-white crystalline powders
Boiling Point: Decomposes before boiling
Melting Point:
Oxytetracycline: ~180–185 °C (decomposition)
Colistin sulfate: Decomposes on heating, no sharp melting point
Density: ~1.2–1.4 g/cm³ (approx., varies with mixture)
Solubility:
Oxytetracycline: Freely soluble in water; sparingly soluble in alcohol; practically insoluble in nonpolar solvents
Colistin sulfate: Freely soluble in water; insoluble in organic solvents
Storage Conditions: Store in a cool, dry place, tightly closed container; protect from light and moisture; recommended at 2–8 °C for long-term stability
Molecular Formula:
Oxytetracycline: C₂₂H₂₄N₂O₉
Colistin sulfate: C₅₈H₁₀₅N₁₆O₂₈S₂ (as sulfate salt, approximate)
Molecular Weight:
Oxytetracycline: 460.43 g/mol
Colistin sulfate: ~1,155 g/mol (approx., varies by salt form)
