Description

tert-Butyl peroxyacetate (CAS No. 107-71-1) is a highly reactive organic peroxide with the molecular formula C₆H₁₂O₃. This compound, also known by its IUPAC name tert-butyl ethaneperoxoate, is widely utilized as a radical initiator in polymerization reactions due to its efficient decomposition properties. It is available in stabilized formulations to ensure safe handling and storage. tert-Butyl peroxyacetate is commonly supplied as a clear, colorless liquid with a characteristic odor, and it is soluble in most organic solvents. Its high purity and consistent performance make it a preferred choice for industrial and research applications requiring controlled radical generation.

This product is available in various concentrations and packaging options to meet specific experimental or production needs. Ensure proper storage conditions (typically below 25°C) and adhere to safety protocols due to its thermally unstable nature. tert-Butyl peroxyacetate is a key component in the synthesis of polymers, resins, and other advanced materials, offering excellent reactivity and yield optimization.

Properties

• CAS Number: 107-71-1
• Complexity: 101
• IUPAC Name: tert-butyl peroxyacetate
• InChI: InChI=1S/C6H12O3/c1-5(7)8-9-6(2,3)4/h1-4H3
• InChI Key: SWAXTRYEYUTSAP-UHFFFAOYSA-N
• Exact Mass: 132.078644241
• Molecular Formula: C6H12O3
• Molecular Weight: 132.16
• SMILES: CC(=O)OOC(C)(C)C
• Topological: 35.5
• Monoisotopic Mass: 132.078644241
• Physical Description: This liquid peroxide is sensitive to heat. Storage of this material must be done so with stringent temperature control measures. Its explosion hazard is also mitigated by mixing the peroxide with an inert solid.
• Synonyms: tert-Butyl peroxyacetate, tert-Butyl peracetate, t-Butyl peracetate, Lupersol 70, Trigonox F-C50, t-Butyl peroxyacetate, ETHANEPEROXOIC ACID, 1,1-DIMETHYLETHYL ESTER, Peroxyacetic acid, tert-butyl ester, UNII-FJ3F3S50CS, FJ3F3S50CS, EINECS 203-514-5, NSC 118417, BRN 1701510, NSC-118417, 4-02-00-00391 (Beilstein Handbook Reference), BUTYL PERACETATE, TERT-, DTXSID9029142, ACETYL TERT-BUTYL PEROXIDE, BUTYL PEROXYACETATE, TERT. (TERT-BUTYLPERACETATE), BUTYL PEROXYACETATE, TERT. {TERT-BUTYLPERACETATE}, tbutyl peracetate, tbutyl peroxyacetate, tertbutyl peracetate, Trigonox FC50, KAYABUTYL A, PERBUTYL A, Acetyl tertbutyl peroxide, Butyl peroxyacetate, tert, KAYABUTYL A 50T, TRIGONOX F-C 50, DTXCID109142, Peroxyacetic acid, tertbutyl ester, UN3101, Ethaneperoxoic acid, 1,1dimethylethyl ester, 107-71-1, tert-butyl ethaneperoxoate, SCHEMBL24499, Ethaneperoxoic acid tert-butyl ester, NSC118417, AKOS015892841, WLN: 1X1 & 1 & OOV1, Ethaneperoxoic acid,1-dimethylethyl ester, DB-040779, NS00019635, Q27278013

Application

tert-Butyl peroxyacetate is primarily used as a free-radical initiator in the polymerization of vinyl monomers, such as styrene and acrylics, to produce high-quality plastics and resins. It is also employed in the cross-linking of unsaturated polyester resins, enhancing the mechanical properties of composite materials. Additionally, this peroxide finds applications in organic synthesis for the introduction of peroxy groups or as an oxidizing agent in selective reactions.

Safety and Hazards

GHS Hazard Statements

• H201: Explosive; mass explosion hazard [Danger Explosives]
• H240: Heating may cause an explosion [Danger Self-reactive substances and mixtures; Organic peroxides]
• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
• H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P230, P234, P235, P240, P250, P261, P264+P265, P271, P280, P304+P340, P305+P351+P338, P316, P319, P321, P337+P317, P370+P372+P380+P373, P370+P380, P372, P373, P401, P403, P403+P233, P405, P410, P411, P420, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (19.4%)
• Self-react. C (19.6%)
• Acute Tox. 4 (11.3%)
• Skin Sens. 1 (20.3%)
• Eye Irrit. 2 (100%)
• Acute Tox. 3 (19.4%)
• Aquatic Chronic 2 (16.9%)

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