Tween 80 [9005-65-6] is characterized by a well-defined molecular structure consisting of a sorbitan ester and a fatty acid, specifically polyoxyethylene sorbitan monooleate. Its molecular formula is C32H60O10 and it has a molecular weight of 604.8. This compound belongs to the class of nonionic surfactants, which are known for their ability to reduce surface tension between two liquids or between a liquid and a solid. Tween 80 requires careful handling due to its potential to cause eye irritation. It may also pose a risk of skin irritation upon prolonged exposure. Additionally, it should be stored in a cool, dry place away from heat sources and open flames.

• CAS Number: 9005-65-6
• Exact Mass: 604.41864811
• Molecular Formula: C32H60O10
• Molecular Weight: 604.8