Description
Tert-Amyl peroxy 2-ethylhexyl carbonate (CAS No. 70833-40-8) is a high-purity organic peroxide widely used as a radical initiator in polymerization reactions. With the molecular formula C14H28O4 and IUPAC name 2-ethylhexyl 2-methylbutan-2-yloxy carbonate, this compound is a liquid at room temperature, offering excellent solubility in organic solvents. It is commonly employed in the production of polymers, resins, and elastomers due to its controlled decomposition properties. Available in stabilized formulations, it ensures safe handling and storage while maintaining reactivity. Suitable for industrial and research applications, this peroxide is packaged under inert conditions to preserve its efficacy.
Properties
- CAS Number: 70833-40-8
- Complexity: 226
- IUPAC Name: 1,1-dimethylpropoxy 2-ethylhexyl carbonate
- InChI: InChI=1S/C14H28O4/c1-6-9-10-12(7-2)11-16-13(15)17-18-14(4,5)8-3/h12H,6-11H2,1-5H3
- InChI Key: HTCRKQHJUYBQTK-UHFFFAOYSA-N
- Exact Mass: 260.19875937
- Molecular Formula: C14H28O4
- Molecular Weight: 260.37
- SMILES: CCCCC(CC)COC(=O)OOC(C)(C)CC
- Topological: 44.8
- Monoisotopic Mass: 260.19875937
- Physical Description: Liquid
- Synonyms: tert-Amyl peroxy 2-ethylhexyl carbonate, 70833-40-8, JSM59Z1B9V, TRIGONOX 131, UNII-JSM59Z1B9V, DTXSID40867952, Carbonoperoxoic acid, OO-(1,1-dimethylpropyl) O-(2-ethylhexyl) ester, EINECS 274-919-2, EC 274-919-2, O,O-TERT-AMYL O-2-ETHYLHEXYL MONOPEROXYCARBONATE, DTXCID20816100, 274-919-2, 2-ethylhexyl 2-methylbutan-2-yloxy carbonate, O-(2-Ethylhexyl) O,O-tert-pentyl peroxycarbonate, SCHEMBL216246, HTCRKQHJUYBQTK-UHFFFAOYSA-N, NS00011518, Q27281675
Application
Tert-Amyl peroxy 2-ethylhexyl carbonate is primarily used as a free-radical initiator in the polymerization of styrene, acrylates, and other vinyl monomers. It is ideal for high-temperature curing processes in the manufacturing of thermoset resins and elastomers. The compound’s controlled decomposition kinetics make it suitable for applications requiring precise reaction initiation, such as in adhesives and coatings. It is also utilized in crosslinking reactions for polyethylene and other polyolefins.
Safety and Hazards
GHS Hazard Statements
- H242 (75%): Heating may cause a fire [Danger Self-reactive substances and mixtures; Organic peroxides]
- H317 (70%): May cause an allergic skin reaction [Warning Sensitization, Skin]
- H319 (10%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Precautionary Statements
- P210, P234, P235, P240, P261, P264+P265, P272, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, P370+P378, P403, P410, P411, P420, and P501
Hazard Classes and Categories
- Org. Perox. D (75%)
- Skin Sens. 1 (70%)
- Eye Irrit. 2 (10%)
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