Ningbo Inno Pharmchem Co., Ltd. is pleased to present an in-depth exploration of Tween 85, also known as Polyoxyethylene Sorbitan Trioleate. This nonionic surfactant is celebrated for its robust properties and reliable performance, making it a staple in many industrial and consumer product formulations. Understanding its chemical characteristics is key to unlocking its full potential.

Tween 85 is characterized by its appearance as an amber to light yellow oily, viscous liquid. Its non-toxic and generally odorless nature makes it a preferred choice for applications where sensory impact is a concern. A key technical parameter for any surfactant is its Hydrophilic-Lipophilic Balance (HLB) value. For Tween 85, this value typically ranges around 11.0 to 15.0, indicating its strong hydrophilic nature and suitability for forming oil-in-water (O/W) emulsions. This specific HLB range allows it to effectively bridge the gap between immiscible oil and water phases, ensuring stable dispersions.

The chemical structure of Tween 85 is derived from the ethoxylation of sorbitan trioleate. It consists of a sorbitol backbone, oleic acid ester linkages, and polyoxyethylene chains. This structure grants it excellent solubility in water and many organic solvents, including ethanol, ethyl acetate, and methanol. Conversely, it is insoluble in mineral oil and liquid paraffin, a property that defines its use in specific emulsification systems.

The chemical stability of Tween 85 is generally good under typical storage and processing conditions. It is stable in dilute acids and alkalis and is compatible with a wide range of other ingredients. This stability ensures that its performance remains consistent throughout the shelf-life of the formulated product. Manufacturers like Ningbo Inno Pharmchem Co., Ltd. ensure that the production processes minimize undesirable byproducts, such as trace amounts of 1,4-dioxane, adhering to regulatory standards for purity and safety.

The versatility stemming from these properties is evident in its widespread application. In cosmetics, it acts as a solubilizer for fragrances and essential oils and an emulsifier in lotions and creams. In pharmaceuticals, it aids in the solubilization and stabilization of poorly water-soluble drugs, enhancing their delivery and efficacy. For food applications, it serves as an emulsifier in products like dressings and sauces, improving texture and preventing ingredient separation. In agriculture, it functions as a dispersant, improving the efficacy of crop protection agents. The consistent quality and detailed specifications provided by Ningbo Inno Pharmchem Co., Ltd. empower formulators to confidently integrate Tween 85 into their products, relying on its predictable behavior and chemical stability.

By understanding the detailed specifications and chemical properties of Tween 85, formulators can optimize its use, ensuring the creation of stable, effective, and high-quality products across diverse markets. Ningbo Inno Pharmchem Co., Ltd. is your trusted partner for sourcing high-purity Polyoxyethylene Sorbitan Trioleate, backed by a commitment to quality and technical support.