Description

1,4-Bis(alpha-(t-butyldioxy)isopropyl)benzene (CAS No. 25155-25-3) is a high-purity organic peroxide widely used as a crosslinking agent and initiator in polymer chemistry. With the molecular formula C₂₀H₃₄O₄, this compound is known for its excellent thermal stability and efficiency in free-radical polymerization processes. It is available under various trade names, including Peroximon F 40, Perkadox 14/40C, and ELASTOFLUX EF, making it a versatile choice for industrial and research applications.

This peroxide is particularly valued for its role in the vulcanization of elastomers, curing of unsaturated polyester resins, and modification of polyethylene and other thermoplastics. Its high decomposition temperature ensures controlled reactivity, making it suitable for high-temperature processing. Packaged in stabilized forms to ensure safety during storage and handling, our product meets stringent quality standards for laboratory and industrial use.

Properties

• CAS Number: 25155-25-3
• Complexity: 341
• IUPAC Name: 1,4-bis(1-tert-butylperoxy-1-methyl-ethyl)benzene
• InChI: InChI=1S/C20H34O4/c1-17(2,3)21-23-19(7,8)15-11-13-16(14-12-15)20(9,10)24-22-18(4,5)6/h11-14H,1-10H3
• InChI Key: GWQOYRSARAWVTC-UHFFFAOYSA-N
• Exact Mass: 338.24570956
• Molecular Formula: C20H34O4
• Molecular Weight: 338.5
• SMILES: CC(C)(C)OOC(C)(C)C1=CC=C(C=C1)C(C)(C)OOC(C)(C)C
• Topological: 36.9
• Monoisotopic Mass: 338.24570956
• Melting Point: 79 °C
• Vapor Pressure: 0.0000171 [mmHg]
• Synonyms: Peroximon F 40, Peroximon F 100, Perkadox 14/40C, Perkadox U 14/40, HSDB 5895, Peroxide, [1,4-phenylenebis(1-methylethylidene)]bis[(1,1-dimethylethyl), EINECS 220-479-1, 1,4-Bis(1-tert-butyldioxy-1-methylethyl)benzene, ELASTOFLUX EF, Peroxide, (p-phenylenediisopropylidene)bis(tert-butyl, DIPEROKSIN 40, 1,4-Bis(alpha-(tert-butyldioxy)isopropyl)benzene, 1,4-BIS(ALPHA-(T-BUTYLDIOXY)ISOPROPYL)BENZENE, alpha,alpha’-Bis(tert-butyldioxy)-p-diisopropylbenzene, alpha,alpha’-Bis(tert-butylperoxy)-p-diisopropylbenzene, alpha,alpha’-Bis(tert-butylperoxy)-1,4-diisopropylbenzene, DTXSID60881110, EC 220-479-1, Peroxide, (1,4-phenylenebis(1-methylethylidene))bis-(1,1-dimethylethyl), Peroxide, (1,4-phenylenebis(1-methylethylidene))bis((1,1-dimethylethyl), 1,4-BIS(.ALPHA.-(TERT-BUTYLDIOXY)ISOPROPYL)BENZENE, 1,4-BIS(1-TERT-BUTYLDIOXY-1-METHYLETHYL)BENZENE [HSDB], .ALPHA.,.ALPHA.’-BIS(TERT-BUTYLDIOXY)-P-DIISOPROPYLBENZENE, .ALPHA.,.ALPHA.’-BIS(TERT-BUTYLPEROXY)-1,4-DIISOPROPYLBENZENE, Peroxide, [1,3(or 1,4)-phenylenebis(1-methylethylidene)]bis[(1,1-dimethylethyl), Peroxide, 1,1′-(1,4-phenylenebis(1-methylethylidene))bis(2-(1,1-dimethylethyl), Peroxide, (1,3(or 1,4)-phenylenebis(1-methylethylidene))bis((1,1-dimethylethyl), Peroxide, 1,1′-[1,4-phenylenebis(1-methylethylidene)]bis[2-(1,1-dimethylethyl), DTXCID304611, 1,4Bis(alpha(tertbutyldioxy)isopropyl)benzene, alpha,alpha’Bis(tertbutyldioxy)pdiisopropylbenzene, alpha,alpha’Bis(tertbutylperoxy)pdiisopropylbenzene, Peroxide, (pphenylenediisopropylidene)bis(tertbutyl, alpha,alpha’Bis(tertbutylperoxy)1,4diisopropylbenzene, Peroxide, (1,4phenylenebis(1methylethylidene))bis(1,1dimethylethyl), 25155-25-3, 2781-00-2, 1,4-bis(2-tert-butylperoxypropan-2-yl)benzene, 431KDL2BJM, UNII-431KDL2BJM, Di-tert-butyl alpha,alpha,alpha’,alpha’-tetramethyl-(p-phenylenedimethylene) diperoxide, SCHEMBL75713, CHEMBL3185297, GWQOYRSARAWVTC-UHFFFAOYSA-N, AKOS015889541, BIS T-BUTYLDIOXYISOPROPYLBENZENE, NCGC00164183-01, NS00006682, 1,4-bis(1-t-butyldioxy-1-methylethyl) benzene, Q27258595, 1,4-Phenylene bis(l-methylethylindene) bis[(1,1-dimethyl-ethyl)peroxide], PEROXIDE, (1,4-PHENYLENEBIS(1-METHYLETHYLIDENE))BIS((1,1- DIMETHYLETHYL)

1,4-Bis(alpha-(t-butyldioxy)isopropyl)benzene is primarily used as a crosslinking agent in the production of elastomers and thermoplastics, enhancing mechanical properties and thermal resistance. It serves as a free-radical initiator in polymerization reactions, particularly for unsaturated polyester resins and polyethylene modifications. Its controlled decomposition profile makes it ideal for high-temperature curing processes in the rubber and plastics industries.

Safety and Hazards

GHS Hazard Statements

• H242 (100%): Heating may cause a fire [Danger Self-reactive substances and mixtures; Organic peroxides]
• H413 (100%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P210, P234, P235, P240, P273, P280, P370+P378, P403, P410, P411, P420, and P501

Hazard Classes and Categories

• Org. Perox. D (100%)
• Aquatic Chronic 4 (100%)

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