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Thermo Scientific Chemicals Colistin sulfate salt
Colistin Sulfate salt (2:5), CAS # 1264-72-8, (synonym: Polymyxin E Complex), is a complex mixture of antibiotics, with Colistin A and B being the primary components. It has anti-bacterial activity against Gram-positive and Gram-negative bacteria and may also be used as a neuromuscular blocker.
Brand: Thermo Scientific Chemicals 455390010
Quantity | 1 g |
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Description
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
General description
• Colistin Sulfate salt is a stable, cationic, water-soluble, white powder composed of over 30 components
• Originally isolated from B. polymyxa, it inhibits the growth of the Gram-negative (e.g. E. coli, P. aeruginosa, P. fluorescens, and S. enterica), and Gram-positive bacteria (e.g. L. lactis, P. polymyxa, P. acidilactici, and S. aureus) by permeabilizing the bacterial cell membrane
Applications
• Colistin Sulfate has potent anti-endotoxin activity rendered through its ability to bind lippopolysaccharides that make up bacterial endotoxins
• This compound is often used in the management of multi-drug resistant Gram-negative infections

Chemical Identifiers
1264-72-8 |
Specifications
Colistin Sulfate salt | |
1 g | |
≥77% Sum of Polymyxins (HPLC) |
1264-72-8 | |
Solubility in water: soluble. Other solubilities: slightly soluble in methanol, insoluble in acetone, diethyl ether | |
Colistin sulfate salt |
Safety and Handling
- Colistin sulfate salt
Signal Word
- Danger
Hazard Category
- Acute toxicity Category 3
Hazard Statement
- H301-Toxic if swallowed.
Precautionary Statement
- P264-Wash thoroughly after handling.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
A0445144 | Certificate of Analysis | 25/01/2025 | 455390010,455392500 |
A0451458 | Certificate of Analysis | 20/03/2024 | 455390010,455392500 |
A0434721 | Certificate of Analysis | 17/10/2023 | 455390010,455392500 |
A0445144 | Certificate of Analysis | 25/08/2023 | 455390010,455392500 |
A0376967 | Certificate of Analysis | 14/12/2022 | 455390010,455392500 |
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