Tween 85

Tween 85, also known as Polysorbate 85, is a non-ionic surfactant widely utilized in various industries due to its excellent emulsifying and stabilizing properties. This compound is particularly valued in the pharmaceutical and cosmetic sectors, where it serves as an effective emulsifier in formulations such as creams, lotions, and ointments. Its ability to enhance the solubility of hydrophobic compounds makes it an essential ingredient in drug delivery systems, improving bioavailability and therapeutic efficacy. Additionally, Tween 85 is employed in food applications as a stabilizer and emulsifier, ensuring uniformity and texture in products like dressings and sauces.

The unique structure of Tween 85 allows it to form stable emulsions, which is crucial for maintaining product consistency and performance. Its low toxicity and compatibility with a wide range of ingredients further enhance its appeal to formulators. Researchers also leverage Tween 85 in laboratory settings for cell culture and as a dispersing agent in various analytical techniques.

Synonyms:
Polysorbate 85; Polyoxyethylene glycol sorbitan trioleate; Polyoxyethylene Sorbitan Trioleate

CAS No:
9005-70-3

Appearance:
Yellow viscous liquid

Saponification Value:
80-95mg KOH/g

Acid Value:
≤2mg KOH/g (to pH 9.5)

Hydoxyl Value:
39-52mg KOH/g

Water (KF):
≤5.2%

Density:
1.03g/cm3 at 20°C (lit)

Melting Point:
-20°C (lit)

Boiling Point:
100°C (lit)

Flash Point:
315°C (lit)

Storage and Stability:
Store at RT. Stable for 12 months after receipt.