Poloxamer 181, Surfactant
Poloxamer 181 is a high-quality nonionic triblock copolymer surfactant specifically designed for diverse industrial applications, cosmetics formulation, and pharmaceutical use. This sophisticated surfactant consists of a central hydrophobic polyoxypropylene chain flanked by two hydrophilic polyoxyethylene chains. This unique structure enhances its ability to solubilize a range of compounds, making Poloxamer 181 an invaluable component in drug delivery systems.
Key Features
- Chemical Characteristics: Surfactant
- Chemical CAS Number: 110-54-3
- Chemical Formula: HO(C2H4O)a(C3H6O)b(C2H4O)aH
- Molecular Weight: Average M.W. 2000
Specifications
Cloud Point (10% Aqueous) |
15°-19°C |
pH of 2.5% Aqueous Solution |
5.0-7.5 |
Specific Gravity @ 25°/25°C |
0.99-1.03 |
Color (APHA) |
Maximum 50 |
Water Content |
Maximum 0.4% |
Chemical UPS Limit |
150 lb |
Safety Information
Health Rating |
1 |
Flammability Rating |
1 |
Chemical Category |
Others |
Please note that ungraded products such as Poloxamer 181 are typically suitable for general industrial use or research purposes, and are not intended for human consumption or therapeutic applications.