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    TCI

    CAS 8007-43-0

    Sorbitan Sesquioleate TCI S0063

    Sorbitan Sesquioleate TCI S0063

    Chemical Identity

    CAS No.
    8007-43-0
    PubChem
    CID 6433515·SID 87575687
    Formula
    C66H130O18
    Molecular weight
    1211.7 g/mol
    Reference databases
    ChemSpider·ECHA
    Full identifiers (IUPAC, SMILES, InChIKey)
    IUPAC
    bis((2R,3R,4R,5S)-hexane-1,2,3,4,5,6-hexol);tris((Z)-octadec-9-enoic acid)
    SMILES
    CCCCCCCC/C=C\CCCCCCCC(=O)O.CCCCCCCC/C=C\CCCCCCCC(=O)O.CCCCCCCC/C=C\CCCCCCCC(=O)O.C(O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)CO.C(O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)CO
    InChIKey
    CUNWUEBNSZSNRX-RKGWDQTMSA-N
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    Sorbitan Sesquioleate from TCI is a nonionic surfactant in the sorbitan ester family. It is made from sorbitan and oleic acid, and its composition falls between the monoester and the diester. The prefix "sesqui" means there are, on average, about one and a half oleate groups for every sorbitan molecule. In the laboratory it works mainly as an emulsifier for water-in-oil systems, and also as a dispersant and stabilizer. In materials science it is classed as a polymer additive. It helps control interfacial interactions in oil-based and polymer-based formulations, which makes it a useful reagent for formulation research.

    Sorbitan Sesquioleate carries more oleate chains than Span 80, so it is more lipophilic. This makes it effective in emulsions where oil is the continuous phase, including ointments and creams with a hydrocarbon base. Because its oleate chains are unsaturated, the material is usually a viscous liquid, which makes it easy to measure and blend into formulations. As a nonionic surfactant, it works with many active ingredients and other excipients. It also gives researchers another option between Span 80 and Span 85 when they need to fine-tune the hydrophilic-lipophilic balance of a system.

    In Indonesian laboratories, Sorbitan Sesquioleate is useful for research on topical preparations, cosmetics and oil-based formulations. University pharmacy and chemistry departments, cosmetic product development teams and materials science research groups can use it to study water-in-oil emulsions, compare emulsifier performance, and improve formulation stability. Because it is supplied by TCI, a recognized reagent brand, researchers can expect reliable material for comparative studies, method development and teaching work involving surfactant behavior and emulsion science.

    Related TCI products

    • Water-in-oil emulsion preparation: its strongly lipophilic character makes it effective at stabilizing water droplets dispersed in an oil continuous phase for formulation studies.
    • Topical ointment and cream research: it suits hydrocarbon-based ointments and creams, where an oil-continuous emulsifier is needed to keep the preparation uniform and stable.
    • Cosmetic formulation development: as a nonionic surfactant it works with many cosmetic actives and excipients, so it fits well in experimental cosmetic emulsions and blends.
    • Hydrophilic-lipophilic balance fine-tuning: it sits between Span 80 and Span 85, so researchers can adjust emulsifier balance in smaller steps when optimizing emulsion systems.
    • Polymer additive and dispersion studies: it helps regulate interfacial interactions in oil-based and polymer-based formulations, supporting work on dispersion quality and formulation stability.

    Brand TCI (product code S0063)
    CAS number 8007-43-0
    Molecular formula —
    Purity —
    Category Materials Science > Polymer/Macromolecule Reagents > Polymer Additives
    Pack sizes please check the available pack sizes on the product listing
    Physical form generally a viscous liquid, because of its unsaturated oleate chains
    Storage keep tightly closed in a cool, dry place away from direct light

    Store Sorbitan Sesquioleate in its original, tightly sealed container in a cool, dry, well-ventilated area, away from direct sunlight, heat sources and strong oxidizing agents. Close the container promptly after each use to limit exposure to air and moisture, because unsaturated oleate chains can slowly oxidize over time. Use clean glass or compatible plastic tools when dispensing. Follow standard laboratory practice: wear gloves, safety glasses and a lab coat, avoid contact with eyes and skin, and clean up spills quickly, since the viscous liquid can make surfaces slippery. Always read the supplier's Safety Data Sheet before use.

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