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Medchemexpress LLC Polyoxyethylene stearyl ether | 9005-00-9 | MFCD00074177 | 99.0% | ≈1,100 g/mol | (C2H4O)nC18H38O | 25 G
Supplier: Medchemexpress LLC HYW250183B25G
Polyoxyethylene (20) stearyl ether is an ethoxylated stearyl alcohol (PEG-20 stearyl ether) nonionic surfactant used as a PEGylated lipid excipient for formulation research. It is commonly employed to form and stabilize nanoparticles and liposomal systems; the material is typically a colorless to off-white oil with CAS 9005-00-9.
- Acts as a nonionic PEGylated lipid surfactant for nanoparticle and liposome formulation.
- Provides steric stabilization and improves colloidal stability.
- Soluble in ethanol at approximately 100 mg/mL with ultrasonic assistance.
- Colorless to off-white oil, suitable for formulation studies.
- Average ethoxylation degree approximately n ≈ 20; number-average molecular weight ~1,100 g/mol.
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