Description

Propaneperoxoic acid, 2,2-dimethyl-, 1,1-dimethylpropyl ester (CAS No. 29240-17-3) is a high-purity organic peroxide widely used in polymerization and crosslinking applications. This compound, also known as tert-Amyl peroxypivalate or tert-Pentyl peroxypivalate, features the molecular formula C₁₀H₂₀O₃, offering excellent reactivity as a free-radical initiator. Its unique structure ensures controlled decomposition at moderate temperatures, making it ideal for industrial processes requiring precise kinetics. Packaged under strict safety standards, this product is suitable for advanced research, specialty chemical synthesis, and polymer manufacturing. Available in various concentrations and formulations to meet specific experimental or production needs.

Properties

• CAS Number: 29240-17-3
• Complexity: 177
• IUPAC Name: 1,1-dimethylpropyl 2,2-dimethylpropaneperoxoate
• InChI: InChI=1S/C10H20O3/c1-7-10(5,6)13-12-8(11)9(2,3)4/h7H2,1-6H3
• InChI Key: AQKYLAIZOGOPAW-UHFFFAOYSA-N
• Exact Mass: 188.14124450
• Molecular Formula: C10H20O3
• Molecular Weight: 188.26
• SMILES: CCC(C)(C)OOC(=O)C(C)(C)C
• Topological: 35.5
• Monoisotopic Mass: 188.14124450
• Physical Description: Liquid
• Synonyms: tert-Amyl peroxypivalate, Propaneperoxoic acid, 2,2-dimethyl-, 1,1-dimethylpropyl ester, tert-Pentyl peroxypivalate, 3CB8K6ZUL2, EINECS 249-530-6, DTXSID7067451, DTXCID9037959, 249-530-6, 29240-17-3, 2-methylbutan-2-yl 2,2-dimethylpropaneperoxoate, 2,2-dimethylpropaneperoxoic acid 2-methylbutan-2-yl ester, t-amyl peroxypivalate, UNII-3CB8K6ZUL2, SCHEMBL216425, NS00020070, 1,1-dimethylpropyl 2,2-dimethylpropaneperoxoate, A819836, A820180

This peroxide is primarily used as an initiator for the polymerization of ethylene, vinyl chloride, and other monomers in industrial settings. It is also employed in crosslinking reactions for silicone rubbers and unsaturated polyester resins. Due to its moderate decomposition temperature, it ensures efficient radical generation while maintaining process safety. Researchers value its stability and predictable reaction kinetics for controlled radical polymerization studies.

Safety and Hazards

GHS Hazard Statements

• H242 (96.3%): Heating may cause a fire [Danger Self-reactive substances and mixtures; Organic peroxides]
• H315 (94.1%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (96.3%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H400 (94.1%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410 (94.1%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P210, P234, P235, P240, P261, P264, P272, P273, P280, P302+P352, P321, P332+P317, P333+P317, P362+P364, P370+P378, P391, P403, P410, P411, P420, and P501

Hazard Classes and Categories

• Org. Perox. C (96.3%)
• Skin Irrit. 2 (94.1%)
• Skin Sens. 1 (96.3%)
• Aquatic Acute 1 (94.1%)
• Aquatic Chronic 1 (94.1%)

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