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Atomfair Cyclohexylidenebis(tert-amyl) peroxide C16H32O4 CAS 15667-10-4

Cyclohexylidenebis(tert-amyl) peroxide (CAS No. 15667-10-4) is a high-purity organic peroxide with the molecular formula C16H32O4. This compound, also known by its IUPAC name 1,1-bis(2-methylbutan-2-ylperoxy)cyclohexane , is a specialized chemical used primarily as a free-radical initiator in polymerization reactions. Its unique structure, featuring two tert-amylperoxy groups attached to a cyclohexylidene backbone, ensures controlled decomposition kinetics, making it ideal for high-temperature applications. This peroxide is supplied as a stable, clear liquid (or solid, depending on storage conditions) with stringent quality controls to ensure consistency in reactivity. It is particularly valued in the production of polymers, elastomers, and specialty resins where precise initiation…

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Description

Cyclohexylidenebis(tert-amyl) peroxide (CAS No. 15667-10-4) is a high-purity organic peroxide with the molecular formula C16H32O4. This compound, also known by its IUPAC name 1,1-bis(2-methylbutan-2-ylperoxy)cyclohexane, is a specialized chemical used primarily as a free-radical initiator in polymerization reactions. Its unique structure, featuring two tert-amylperoxy groups attached to a cyclohexylidene backbone, ensures controlled decomposition kinetics, making it ideal for high-temperature applications.

This peroxide is supplied as a stable, clear liquid (or solid, depending on storage conditions) with stringent quality controls to ensure consistency in reactivity. It is particularly valued in the production of polymers, elastomers, and specialty resins where precise initiation is critical. Due to its thermal properties, it is often employed in processes requiring decomposition temperatures above 100°C.

Handling requires adherence to strict safety protocols, including storage at recommended temperatures and avoidance of incompatible materials. Suitable for industrial and research use, this product is packaged under inert gas to maintain stability and shipped with detailed technical data sheets (SDS available upon request).

Properties

  • CAS Number: 15667-10-4
  • Complexity: 258
  • IUPAC Name: 1,1-bis(1,1-dimethylpropylperoxy)cyclohexane
  • InChI: InChI=1S/C16H32O4/c1-7-14(3,4)17-19-16(12-10-9-11-13-16)20-18-15(5,6)8-2/h7-13H2,1-6H3
  • InChI Key: IMYCVFRTNVMHAD-UHFFFAOYSA-N
  • Exact Mass: 288.23005950
  • Molecular Formula: C16H32O4
  • Molecular Weight: 288.42
  • SMILES: CCC(C)(C)OOC1(CCCCC1)OOC(C)(C)CC
  • Topological: 36.9
  • Monoisotopic Mass: 288.23005950
  • Physical Description: Liquid
  • Synonyms: 15667-10-4, Peroxide, cyclohexylidenebis[(1,1-dimethylpropyl), 1,1-bis(2-methylbutan-2-ylperoxy)cyclohexane, Cyclohexylidenebis(tert-amyl) peroxide, R5N3GDY8VG, EINECS 239-741-1, Cyclohexylidenebis(tert-pentyl)peroxide, Peroxide, cyclohexylidenebis((1,1-dimethylpropyl), Peroxide, 1,1′-cyclohexylidenebis(2-(1,1-dimethylpropyl), DTXSID6065921, Cyclohexylidenebis[tert-amyl] peroxide, 1,1′-CYCLOHEXYLIDENEBIS(2-(1,1-DIMETHYLPROPYL) PEROXIDE), Peroxide, 1,1′-cyclohexylidenebis[2-(1,1-dimethylpropyl), DTXCID5035038, 239-741-1, UNII-R5N3GDY8VG, SCHEMBL23162, IMYCVFRTNVMHAD-UHFFFAOYSA-N, 1,1-di-(t-amylperoxy)cyclohexane, AKOS015913603, NS00051525

Application

Cyclohexylidenebis(tert-amyl) peroxide is widely used as a free-radical initiator in the polymerization of styrene, acrylates, and other vinyl monomers, particularly in high-temperature processes. Its controlled decomposition profile makes it suitable for manufacturing cross-linked polyethylene (XLPE) and other thermosetting resins. Additionally, it serves as a curing agent in elastomer production, enhancing mechanical properties. Researchers also utilize it in organic synthesis for radical-mediated transformations.

Safety and Hazards

GHS Hazard Statements

  • H226 (47%): Flammable liquid and vapor [Warning Flammable liquids]
  • H242 (88.7%): Heating may cause a fire [Danger Self-reactive substances and mixtures; Organic peroxides]
  • H315 (88.7%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (11.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

  • P210, P233, P234, P235, P240, P241, P242, P243, P264, P264+P265, P280, P302+P352, P303+P361+P353, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403, P403+P235, P410, P411, P420, and P501

Hazard Classes and Categories

  • Flam. Liq. 3 (47%)
  • Org. Perox. C (88.7%)
  • Skin Irrit. 2 (88.7%)
  • Eye Irrit. 2 (11.3%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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