Description

tert-Amyl peroxy-2-ethylhexanoate (CAS No. 686-31-7) is a high-purity organic peroxide with the molecular formula C₁₃H₂₆O₃. This specialized compound, also known by its IUPAC name 2-methylbutan-2-yl 2-ethylhexaneperoxoate, is widely used as a free-radical initiator in polymerization reactions. Our product is rigorously tested to ensure optimal purity and stability, making it ideal for demanding industrial and research applications. Supplied in carefully controlled packaging to maintain integrity, this peroxide is a critical component for manufacturers requiring precise initiation of vinyl polymerization, crosslinking, and curing processes. Handle with extreme care – requires proper storage at recommended temperatures and adherence to all safety protocols.

Properties

• CAS Number: 686-31-7
• Complexity: 199
• IUPAC Name: 1,1-dimethylpropyl 2-ethylhexaneperoxoate
• InChI: InChI=1S/C13H26O3/c1-6-9-10-11(7-2)12(14)15-16-13(4,5)8-3/h11H,6-10H2,1-5H3
• InChI Key: IFXDUNDBQDXPQZ-UHFFFAOYSA-N
• Exact Mass: 230.18819469
• Molecular Formula: C13H26O3
• Molecular Weight: 230.34
• SMILES: CCCCC(CC)C(=O)OOC(C)(C)CC
• Topological: 35.5
• Monoisotopic Mass: 230.18819469
• Physical Description: Tert-amyl peroxy-2-ethylhexanoate appears as colorless to pale yellow liquid. May explode if exposed to heat , shock, or friction. Material must be stored and transported in temperature controlled container. Insoluble in water.
• Synonyms: tert-Amyl peroxy-2-ethylhexanoate, 686-31-7, t-Amylperoxy 2-ethylhexanoate, Hexaneperoxoic acid, 2-ethyl-, 1,1-dimethylpropyl ester, 0JW5261S8T, EINECS 211-687-3, UNII-0JW5261S8T, DTXSID60862368, EC 211-687-3, TERT-AMYL 2-ETHYLPERHEXANOATE, TERT-AMYL 2-ETHYLPEROXYHEXANOATE, TERT-PENTYL PEROXY-2-ETHYLHEXANOATE, TERT-AMYL PEROXY-2-ETHYLHEXANOATE, (TECHNICALLY PURE), TERT-AMYL PEROXY-2-ETHYLHEXANOATE, [TECHNICALLY PURE], LUPERSOL TA 75, LUPERSOL 575, TRIGONOX 121, TRIGONOX 121-50, DTXCID30811146, TERT-PENTYL ALCOHOL, 2-ETHYLPEROXYHEXANOATE, PEROXYHEXANOIC ACID, 2-ETHYL-, TERT-PENTYL ESTER, 211-687-3, 2-methylbutan-2-yl 2-ethylhexaneperoxoate, tert-Pentyl 2-ethylperoxyhexanoate, SCHEMBL218700, SCHEMBL9015638, IFXDUNDBQDXPQZ-UHFFFAOYSA-N, NS00003627, Q27236875

Application

tert-Amyl peroxy-2-ethylhexanoate serves as an efficient initiator for the polymerization of styrene, vinyl chloride, and other vinyl monomers. It is particularly valuable in the production of specialty polymers where controlled decomposition characteristics are required. The compound finds application in the manufacture of adhesives, coatings, and composite materials that require curing at moderate temperatures. Its decomposition properties make it suitable for both bulk and solution polymerization processes.

Safety and Hazards

GHS Hazard Statements

• H242 (73.9%): Heating may cause a fire [Danger Self-reactive substances and mixtures; Organic peroxides]
• H317 (73.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H400 (72.8%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410 (72.8%): 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, P272, P273, P280, P302+P352, P321, P333+P317, P362+P364, P370+P378, P391, P403, P410, P411, P420, and P501

Hazard Classes and Categories

• Org. Perox. D (73.9%)
• Skin Sens. 1 (73.9%)
• Aquatic Acute 1 (72.8%)
• Aquatic Chronic 1 (72.8%)

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