Sodium diethyl sulphosuccinate is a specific type of anionic surfactant. While its cousin, Dioctyl Sodium Sulphosuccinate (often referred to as Docusate and used medically as a laxative or in products like Gaviscon), is more famous in the pharmaceutical world, E439 serves a critical industrial purpose in the culinary sector.
The code e439 is about to undergo its biggest transformation in 30 years. National statistical offices are currently debating three modernizations: gdp e439