Description

Dibutyl Peroxydicarbonate (CAS 16215-49-9) is a high-purity organic peroxide with the molecular formula C₁₀H₁₈O₆, widely utilized as a radical initiator in polymerization reactions. This compound, also known by its IUPAC name butoxycarbonyloxy butyl carbonate, is a clear to slightly yellowish liquid with a characteristic odor, offering exceptional reactivity under controlled conditions. It is highly effective in initiating vinyl polymerization, including the production of PVC, acrylics, and other specialty polymers, ensuring optimal molecular weight and polymer structure. Dibutyl peroxydicarbonate must be stored under refrigeration (2-8°C) to maintain stability and handled with appropriate safety measures due to its peroxide hazards. Available in rigorously tested batches, this product meets stringent industry standards for research and industrial applications.

Properties

• CAS Number: 16215-49-9
• Complexity: 181
• IUPAC Name: butoxycarbonyloxy butyl carbonate
• InChI: InChI=1S/C10H18O6/c1-3-5-7-13-9(11)15-16-10(12)14-8-6-4-2/h3-8H2,1-2H3
• InChI Key: ZGPBOPXFOJBLIV-UHFFFAOYSA-N
• Exact Mass: 234.11033829
• Molecular Formula: C10H18O6
• Molecular Weight: 234.25
• SMILES: CCCCOC(=O)OOC(=O)OCCCC
• Topological: 71.1
• Monoisotopic Mass: 234.11033829
• Physical Description: Butyl peroxydicarbonate appears as a colorless liquid. Shipped or stored with not more than 62% peroxide in solution of organic solvent. Crystallizes when dry. May explode from heat, shock or friction, when dry. Handle with extreme care.
• Synonyms: Peroxydicarbonic acid, dibutyl ester, 16215-49-9, Dibutyl peroxydicarbonate, EINECS 240-344-0, DTXSID5075313, DTXCID3035212, 240-344-0, butoxycarbonyloxy butyl carbonate, di-n-butylperoxydicarbonate, SCHEMBL35879, ZGPBOPXFOJBLIV-UHFFFAOYSA-N, NS00054009

Application

Dibutyl peroxydicarbonate serves as a highly efficient initiator for free-radical polymerization, particularly in the synthesis of polyvinyl chloride (PVC) and acrylic resins. Its controlled decomposition at moderate temperatures ensures consistent polymerization kinetics, making it ideal for bulk, suspension, and emulsion processes. Researchers also employ it in specialty polymer formulations requiring precise initiation profiles. Due to its sensitivity, strict temperature control and handling protocols are essential.

Safety and Hazards

GHS Hazard Statements

• H226 (16.7%): Flammable liquid and vapor [Warning Flammable liquids]
• H242 (100%): Heating may cause a fire [Danger Self-reactive substances and mixtures; Organic peroxides]
• H304 (16.7%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]
• H315 (66.7%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (33.3%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H400 (33.3%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410 (33.3%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P210, P233, P234, P235, P240, P241, P242, P243, P261, P264, P272, P273, P280, P301+P316, P302+P352, P303+P361+P353, P321, P331, P332+P317, P333+P317, P362+P364, P370+P378, P391, P403, P403+P235, P405, P410, P411, P420, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (16.7%)
• Org. Perox. D (100%)
• Asp. Tox. 1 (16.7%)
• Skin Irrit. 2 (66.7%)
• Skin Sens. 1 (33.3%)
• Aquatic Acute 1 (33.3%)
• Aquatic Chronic 1 (33.3%)

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