Polysorbate 20
Polysorbate 20 is a nonionic surfactant and emulsifier widely employed in cosmetic, pharmaceutical, and food industries for its versatile properties.
Description
Polysorbate 20, also known as Tween 20, is a polyoxyethylene sorbitan monolaurate derived from lauric acid, a saturated fatty acid primarily found in coconut oil. This ethoxylated sorbitan ester is characterized by its excellent emulsifying capabilities, enabling the stable combination of oil and water phases in various formulations. Its hydrophilic-lipophilic balance (HLB) value typically ranges from 16.7, classifying it as a highly hydrophilic surfactant suitable for forming oil-in-water emulsions. It acts as a solubilizer for essential oils and fragrances, a wetting agent, and a dispersant. Chemically, it possesses a molecular formula of C58H114O26 and a CAS number of 9005-64-5. The controlled ethoxylation process ensures a consistent product with defined functional properties, making it a reliable ingredient for formulators seeking stability and uniform dispersion in their products. Its non-irritating and non-sensitizing profile further contributes to its widespread acceptance in consumer-facing applications.
Applications
Polysorbate 20 finds extensive use across numerous industrial sectors. In cosmetics, it functions as an emulsifier in lotions, creams, and makeup, ensuring product stability and smooth texture. It is a key solubilizer for fragrances and essential oils in bath bombs, sprays, and toners. In the pharmaceutical industry, it serves as an excipient for oral, topical, and parenteral formulations, enhancing drug solubility and bioavailability. Its role as a dispersant is crucial in ophthalmic preparations and vaccines. The food industry utilizes Polysorbate 20 as an emulsifier in baked goods, ice cream, and salad dressings, contributing to desired textures and preventing phase separation. It also acts as a flavor dispersant in food and beverage applications.
Storage & Handling
Store Polysorbate 20 in tightly closed containers in a cool, dry, well-ventilated area, away from direct sunlight and incompatible materials. Avoid freezing. Handle with appropriate personal protective equipment to prevent skin and eye contact. Ensure good industrial hygiene practices are maintained during handling.
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