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    TCI

    CAS 68584-22-5

    Dodecylbenzenesulfonic Acid (soft type) (mixture) TCI D0989

    Dodecylbenzenesulfonic Acid (soft type) (mixture) TCI D0989

    Chemical Identity

    Other names
    Alkylbenzenesulfonic Acid (soft type) (mixture) · Laurylbenzenesulfonic Acid (soft type) (mixture)
    CAS No.
    68584-22-5
    PubChem
    SID 87567573
    Purity
    >95.0%(T)
    Full identifiers (IUPAC, SMILES, InChIKey)
    MDL
    MDL00147445
    Rp 637.350,00
    Rp 445.200,00 Rp 637.350,00
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    Dodecylbenzenesulfonic Acid (soft type) (mixture) from TCI is a mixture of alkylbenzenesulfonic acids in which the dodecyl chain is attached at different positions on the benzene ring. The "soft type" label means the alkyl chain is linear, which makes it more readily biodegradable than the branched "hard type". The compound is the acid form of a very common anionic surfactant. In the laboratory it serves as a polymer additive, a dopant for conductive polymers, an acid catalyst, and a surfactant in many emulsion systems.

    The DDBSA molecule pairs a strongly acidic sulfonic acid group with a long, hydrophobic alkyl tail. This combination gives it two roles at once: it acts as a strong Brønsted acid and as a surfactant that can form micelles and stabilize emulsions. In conductive polymers such as polyaniline, DDBSA works as a dopant that raises conductivity and also makes the polymer easier to dissolve or disperse in organic solvents. In organic reactions carried out in water, it can act as a surfactant-type acid catalyst, so one reagent handles both catalysis and dispersion of the reaction mixture.

    In Indonesia, this material is relevant to materials science, chemical engineering, and polymer chemistry laboratories that develop conductive polymers, emulsions, coatings, or detergent formulations. University research groups and industrial R&D teams can use it in synthesis work, in studies of how doping affects polymer conductivity and processability, and in teaching how anionic surfactants behave. Because it is a known TCI reagent with a documented CAS number, it is a sound choice for experiments that need to be reproduced.

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    • Conductive polymer doping: DDBSA dopes polyaniline and similar polymers, raising their conductivity while making them easier to dissolve or disperse in organic solvents.
    • Polymer additive research: As a listed polymer additive, it suits studies of how an anionic surfactant changes the dispersion and processing behavior of polymer systems.
    • Surfactant-type acid catalysis: Its strongly acidic sulfonic acid group and hydrophobic tail let it catalyze organic reactions in water while also dispersing the organic reactants.
    • Emulsion stabilization: Its surfactant structure lets it form micelles and stabilize emulsions, which supports work on emulsion systems and coating formulations.
    • Detergent formulation studies: As the acid form of a common anionic surfactant, it is a practical reference material for detergent formulation and biodegradability comparisons.

    Brand TCI (product code D0989)
    CAS number 68584-22-5
    Molecular formula —
    Purity —
    Category Materials Science > Polymer/Macromolecule Reagents > Polymer Additives
    Pack sizes As listed on the product page
    Physical form —
    Storage Keep tightly closed in a cool, dry place; see the TCI label and Safety Data Sheet
    • Composition: Mixture of dodecylbenzenesulfonic acids with a linear ("soft type") alkyl chain

    Store Dodecylbenzenesulfonic Acid in its original, tightly sealed container in a cool, dry, well-ventilated area. Keep it away from heat, moisture, strong bases, and oxidizing agents. Because it is a strong acid, use only containers and transfer tools made of acid-resistant materials. When handling it, wear chemical-resistant gloves, safety goggles, and a lab coat, and work in a fume hood or another well-ventilated space. Avoid skin and eye contact, and do not breathe in vapors or mists. Clean up spills promptly with suitable absorbent material. Always read the TCI Safety Data Sheet before use, and dispose of waste according to institutional and local regulations.

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