Colistin sulfate
- CAS NO. : 1264-72-8
- CAT NO. : PH-API-4728
Physical State: Solid (white or almost white, hygroscopic powder)
Color: White to off-white
Appearance: Powder / crystalline
Melting Point: 200–220 °C (decomposes)
Storage Conditions: Store in inert atmosphere at 2–8 °C
Solubility:
Water: Soluble (~50 mg/mL)
pH (10 g/L, 25 °C): 4.0–6.0 (slightly acidic)
Molecular Formula: Approx. 2(C₅₂H₉₈N₁₆O₁₃)·5(H₂SO₄) — mix of polymyxin E components
Molecular Weight: Approx. 2,801.27 g/mol
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