Polymyxin B Sulfate (PMB) is an antibiotic that exhibits inhibitory effects on various Gram-negative bacteria, including Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae, and Haemophilus influenzae. It is used for the treatment of bacterial infections such as urinary tract infections, meningitis, blood infections, and eye infections.
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Tests |
Specifications |
Results |
|
Description |
White or almost white powder, hygroscopic |
Conforms |
|
Identification |
LC identification test, Conforms |
Conforms |
|
A reddish violet color is produced, Conforms |
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Meets the requirements of the test for Sulfate, Conforms |
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|
PH (2%) |
5.0~7.0 |
6.5 |
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Specific optical rotation |
-78°~-90° |
-83° |
|
Loss on drying |
≤6.0% |
3.1% |
|
Sulfated ash |
≤0.75% |
0.26% |
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Sulfate |
15.5%~17.5% |
15.8% |
|
Related substances, HPLC |
Any impurity: ≤3.0% Sum of impurity: ≤17.0% |
2.6% 10.1% |
|
Heavy metals |
≤20 ppm |
Conform |
|
Total viable aerobic count |
≤100 CFU/g |
Conforms |
|
Potency (Dried basis) |
≥6000 IU/mg |
7924 IU/mg |
|
Assay HPLC (Dried basis) |
Sum of polymyxin B1, B2, B3 and B1-I: ≥80.0% Polymyxin B3: ≤6.0% Polymyxin B1-I: ≤15.0% |
89.1% 2.0% 10.4% |

Chemical Name: Polymyxin B, sulfate (salt); Polymyxin B; Polymyxin-B-Sulfat; Sulfato De Polimixina B; Polymyxin B (PMB); PMB; Polymyxin B sulfate USP; Polymyxin B Sulfate 1405-20-5; Einecs 215-774-7;
CAS No.: 1405-20-5
Physical characteristics: It is a white crystalline powder, readily soluble in water, and possesses hygroscopic properties.
Molecular Formula: C56H100N16O17S
Molecular Weight: 1301.5552
MDL Number: MFCD30489731
NSC Number: 757278
Polymyxin B sulfate, with CAS number 1405-20-5, is an antibiotic medication that offers several benefits in the treatment of bacterial infections. Here are some of the benefits of Polymyxin B Sulfate:
1. Effective against Gram-Negative Bacteria: Polymyxin B sulfate is primarily used to treat infections caused by Gram-negative bacteria. It is particularly effective against multidrug-resistant strains, including Pseudomonas aeruginosa, Acinetobacter baumannii, and Klebsiella pneumoniae. These bacteria are often associated with hospital-acquired infections and can be challenging to treat with other antibiotics.
2. Topical Treatment for Skin Infections: Polymyxin B sulfate is commonly used as a topical antibiotic for the treatment of skin infections, such as infected wounds, burns, and impetigo. It helps eliminate or control bacterial growth at the site of infection, preventing the spread of infection and promoting healing.
3. Treatment of Eye Infections: Polymyxin B sulfate is also utilized in ophthalmic preparations for the treatment of eye infections, including conjunctivitis and keratitis caused by susceptible bacteria. It helps eradicate bacterial pathogens in the eye, relieving symptoms and preventing complications.
4. Combination Therapy for Respiratory Infections: Polymyxin B sulfate is sometimes used in combination with other antibiotics, such as carbapenems, to treat severe respiratory infections caused by multidrug-resistant Gram-negative bacteria, including those associated with ventilator-associated pneumonia or cystic fibrosis.
5. Limited Systemic Absorption: When used topically or as eye drops, Polymyxin B sulfate has limited systemic absorption, reducing the risk of systemic side effects. It primarily acts at the site of infection, helping to minimize the impact on other parts of the body.
6. Synergistic Effect with Other Antibiotics: Polymyxin B sulfate exhibits a synergistic effect when used in combination with certain antibiotics, such as carbapenems or tetracyclines. This means that the combination of drugs can enhance the overall antibacterial activity, making it more effective against difficult-to-treat infections.
1. Payment term
TT, LC
2. Delivery date
Negotiable
3. Market
Middle East / Africa / Asia / South America / Europe
4. Sample
Available
5. Executive standards
CP, EP, IP
6. Qualification certificate
Registration "A" status of raw material packaging, Notification of Approval of marketing application for chemical API, WC, COPP, CEP, EUGMP, US DMF registration number, India Registration certificate, Brazil registration, Malaysia registration, etc.
7. Packaging size specification
Inner package: single-layer polyethylene bag and aluminum foil bag.
Outer package: fiber drum.
Packaging size: 25 kg/drum; 1kg/drum; 5kg/drum.
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Polymyxin B Sulfate 1405-20-5 FAQ
Q: What is polymyxin B sulfate PMB used for?
Q: Does polymyxin B sulfate PMB treat pink eye?
Q: What type of antibiotic is polymyxin B sulfate?
Q: How long does it take for polymyxin B to work?
Q: Is polymyxin B antifungal or antibacterial?
Q: What is the difference between polymyxin E and polymyxin B?
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