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    Related: Organosulfur Compound 3-Mercaptopropionic Acid Benzyl Mercaptan
    • 1-Dodecanethiol CAS 112-55-0
    • 1-Dodecanethiol CAS 112-55-0

    1-Dodecanethiol CAS 112-55-0

    1-Dodecanethiol (n-Dodecyl Mercaptan), CAS 112-55-0, is a chain-transfer agent used in radical polymerization and thiol derivative synthesis. Confirm the required purity and handling requirements for the intended process.

    • CAS: 112-55-0
    • Synonyms: n-Dodecyl mercaptan, 1-Mercaptododecane, Dodecyl mercaptan, Lauryl mercaptan, n-Dodecanethiol
    • Einecs: 203-984-1
    • Molecular Formula: C₁₂H₂₆S
    • Grade: Industrial grade 99%
    • Package: 200kg iron drum or 50kg plastic drum packing
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    Product Description

    1-Dodecanethiol is a straight-chain thiol identified by CAS 112-55-0 and EC/EINECS 203-984-1.

    Synonyms: n-Dodecyl mercaptan; 1-Mercaptododecane; Dodecyl mercaptan; Lauryl mercaptan; n-Dodecanethiol.

    CAS: 112-55-0.

    Molecular formula: C₁₂H₂₆S.

    Molecular weight: 202.40.

    EC number: 203-984-1.

    It is a watery white to pale yellow liquid with a slight odor.

    Typical properties include melting point about -7.5 °C, boiling range about 260-268 °C, and relative density about 0.85.

    It is widely used as a chain-transfer agent or molecular-weight regulator in emulsion and solution polymerization, including synthetic rubber, resins and fibers.

    It is also used in the manufacture of pharmaceuticals, agrochemicals, biocides, PVC stabilizers and specialty thiol derivatives.

    Confirm assay, color, sulfur content, moisture, related mercaptan impurities and odor level.

    Store in tightly closed containers away from heat, sparks, open flames and strong oxidizers; the material has a persistent mercaptan odor, so use vapor controls or local exhaust and appropriate PPE.

    Confirm the current product-specific specification.

    Confirm packaging with the requested quantity and destination requirements.

    Document requirements should be confirmed from the current specification, SDS, COA, or other product-specific files.

    Regulated-use suitability must be confirmed separately with current product-specific documentation.

    The page is an RFQ entry point and does not state stock, price, MOQ, or fixed lead time.

    For an RFQ, state the intended use, required specification, quantity, packaging, destination, and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is 1-Dodecanethiol and how is it identified?

      A: 1-Dodecanethiol is a straight-chain thiol with CAS 112-55-0, molecular formula C₁₂H₂₆S and molecular weight 202.40. It is also called n-dodecyl mercaptan, lauryl mercaptan and 1-mercaptododecane.
    • Q:

      Which specifications matter when purchasing 1-Dodecanethiol?

      A: Confirm assay, color, sulfur content, moisture, related mercaptan impurities and odor level. The product is typically a white to pale yellow liquid, and the batch analysis should state the actual purity and test method for the intended polymerization or synthesis process.
    • Q:

      What is 1-Dodecanethiol used for?

      A: It is widely used as a chain-transfer agent or molecular-weight regulator in emulsion and solution polymerization, including synthetic rubber, resins and fibers. It is also used in the manufacture of pharmaceuticals, agrochemicals, biocides, PVC stabilizers and specialty thiol derivatives.
    • Q:

      How should 1-Dodecanethiol be stored and handled?

      A: Store in tightly closed containers in a cool, ventilated area away from heat, sparks, open flames and strong oxidizers. The material has a persistent mercaptan odor, so use vapor controls or local exhaust, appropriate PPE, and suitable spill-containment procedures.

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