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Tert-Butyl peroxybenzoate (TBPB) is an organic compound with the formula C6H5CO3CMe3 (Me = CH3).
Tert-Butyl peroxybenzoate (TBPB), a pale yellow, is exclusively encountered as a solution in solvents such as ethanol or phthalate.
Tert-Butyl peroxybenzoate (TBPB) is an ester of peroxybenzoic acid and the most widely produced perester.
CAS Number: 614-45-9
Molecular Formula: C11H14O3
Molecular Weight: 194.23
EINECS Number: 210-382-2
Synonyms: tert-Butyl peroxybenzoate, 614-45-9, tert-Butyl perbenzoate, Novox, tert-Butyl peroxy benzoate, t-Butyl peroxybenzoate, t-Butyl peroxy benzoate, Benzenecarboperoxoic acid, 1,1-dimethylethyl ester, CCRIS 6217, HSDB 2891, NSC 674, EINECS 210-382-2, BRN 1342734, PEROXYBENZOIC ACID, T-BUTYL ESTER, DTXSID9024699, UNII-54E39145KT, AI3-06625, NSC-674, t-butyl benzoyl peroxide, DTXCID904699, EC 210-382-2, BUTYL PEROXYBENZOATE, TERT-, 4-09-00-00715 (Beilstein Handbook Reference), PEROXYBENZOIC ACID, T-BUTYL ESTER [HSDB], TERT-BUTYL PEROXYBENZOATE, (TECHNICALLY PURE), TERT-BUTYL PEROXYBENZOATE, [TECHNICALLY PURE], TERT-BUTYL PEROXYBENZOATE, (<= 75% IN SOLUTION), TERT-BUTYL PEROXYBENZOATE, [<= 75% IN SOLUTION], Butyl Perbenzoate (tertiary), tbutyl perbenzoate, tertbutyl perbenzoate, tButyl peroxy benzoate, tertbutyl peroxybenzoate, tertButyl peroxy benzoate, Benzoyl tertbutyl peroxide, Perbenzoic acid, tertbutyl ester, peroxybenzoic acid t-butyl ester, Peroxybenzoic acid, tertbutyl ester, UN3103, PERBENZOIC ACID, T-BUTYL ESTER, T-BUTYL BENZOYL PEROXIDE [INCI], Benzenecarboperoxoic acid, 1,1dimethylethyl ester, tert-butyl benzenecarboperoxoate, t-Butyl perbenzoate, Chaloxyd tbpb, Perbutyl Z, Esperox 10, Terc.butylperbenzoan, Benzoyl tert-butyl peroxide, Peroxybenzoic acid, tert-butyl ester, Perbenzoate de butyle tertiaire, 54E39145KT, benzenecarboperoxoic acid tert-butyl ester, Trigonox C, tert-butylperoxybenzoate, terc.Butylperbenzoan [Czech], CAS-614-45-9, Perbenzoic acid, tert-butyl ester, Perbenzoate de butyle tertiaire [French], t-butylperbenzoate, terc.Butylester kyseliny peroxybenzoove [Czech], t-butyl per benzoate, t-butyl-peroxybenzoate, terc.Butylester kyseliny peroxybenzoove, tert-butyl-perbenzoate, tert.butyl perbenzoate, tert. butyl perbenzoate, tert-butyl benzoperoxoate, tertiary butyl perbenzoate, tert-butyl peroxy-benzoate, SCHEMBL22820, WLN: 1X1&1&OOVR, NSC674, CHEMBL1328092, AAA61445, Tox21_202287, Tox21_300070, AKOS015890015, NCGC00091791-01, NCGC00091791-02, NCGC00091791-03, NCGC00091791-04, NCGC00254006-01, NCGC00259836-01, AS-87585, NS00003416, Benzenecarboperoxoic acid,1-dimethylethyl ester, EN300-129025, Luperox(R) P, tert-Butyl peroxybenzoate, 98%, doi:10.14272/GJBRNHKUVLOCEB-UHFFFAOYSA-N.1, Q14469782, tert-Butyl peroxybenzoate, technical, >=95.0% (RT), Benzenecarboperoxoicacid,1,1-dimethylethylester;benzoyltert-butylperoxide, butylperoxybenzoate;, chaloxydtbpb;esperox10, novox, perbenzoatedebutyletertiaire, perbenzoatedebutyletertiaire(french)
Tert-Butyl peroxybenzoate (TBPB) is the most widely produced perester; it is an ester of peroxybenzoic acid (C6H5CO3H).
Tert-Butyl peroxybenzoate (TBPB) is often used as a radical initiator in polymerization reactions, such as the production of LDPE from ethylene, and for crosslinking, such as for unsaturated polyester resins.
Tert-Butyl peroxybenzoate (TBPB) a chemical compound from the group of peresters (compounds containing the general structure R1-C(O)OO-R2) which contains a phenyl group as R1 and a tert-butyl group as R2.
Tert-Butyl peroxybenzoate (TBPB), is an organic peroxide that consists of a tert-butyl group attached to a peroxy group, which in turn is bonded to a benzoate moiety.
This compound is widely used in free radical chemistry, where it serves as an initiator that decomposes under heat to produce reactive radical species capable of starting chain reactions in polymer formation or certain organic transformations.
Because of its ability to generate free radicals upon decomposition, Tert-Butyl peroxybenzoate (TBPB) is often employed in industrial applications such as the manufacture of plastics, resins, and other polymeric materials.
In addition to its use in polymerization, Tert-Butyl peroxybenzoate (TBPB) is also utilized in organic synthesis for functionalizing hydrocarbons through radical pathways, including C–H activation and oxidative coupling reactions.
In laboratory and industrial settings, Tert-Butyl peroxybenzoate (TBPB) is usually handled with care, as organic peroxides can be thermally unstable and potentially hazardous if not stored properly, typically requiring cool storage and strict safety protocols to minimize the risk of decomposition or explosion.
Melting point: 8 °C
Boiling point: 75-76 °C/0.2 mmHg (lit.)
Density: 1.021 g/mL at 25 °C (lit.)
vapor density: 6.7 (vs air)
vapor pressure: 3.36 mm Hg ( 50 °C)
refractive index: n20/D 1.499(lit.)
Flash point: 200 °F
storage temp.: 2-8°C
solubility: water: soluble1.18g/L
form: Liquid
color: Clear yellow
Odor: mild aromatic odor
Water Solubility: Immiscible
BRN: 1342734
Stability: Stable. Combustible. Incompatible with a wide range of organic materials - oxidizer. May react violently with organic compounds.
InChIKey: GJBRNHKUVLOCEB-UHFFFAOYSA-N
LogP: 3 at 25℃
Tert-Butyl peroxybenzoate (TBPB) is a clear, colorless to slightly yellow liquid with a mild, aromatic odor.
Tert-Butyl peroxybenzoate (TBPB) also is stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard.
Tert-Butyl peroxybenzoate (TBPB) is an organic compound with the formula C6H5CO2CMe3 (Me = CH3).
Tert-Butyl peroxybenzoate (TBPB) is the most widely produced perester.
Tert-Butyl peroxybenzoate (TBPB) is yellowish liquid which has C11H14O3 as chemical formula.
Tert-Butyl peroxybenzoate (TBPB) is a low volatility, high purity, aromatic peroxyester.
Which is eective as medium temperature initiator for polymerization of a broad spectrum of monomers, per example acrylics, ethylene and styrene.
Tert-Butyl peroxybenzoate (TBPB) is also used to cure (copolymerization) unsaturated polyester resins at elevated temperatures.
Further Tert-Butyl peroxybenzoate (TBPB) is used as catalyst for crosslinking synthetic rubbers like EPR, EPDM and NBR.
Crosslinking catalyst for natural and synthetic rubber materials
Tert-Butyl peroxybenzoate (TBPB) is a clear, colorless to slightly yellow liquid with a mild, aromatic odor.
Tert-Butyl peroxybenzoate (TBPB) is also stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard.
Tert-Butyl peroxybenzoate (TBPB) is a colorless to slightly yellow liquid with a mild aromatic odor.
Tert-Butyl peroxybenzoate (TBPB) is used as a polymerization initiator and as a chemical intermediate.
Tert-Butyl peroxybenzoate (TBPB), which is pale yellow, is exclusively encountered as a solution in solvents such as ethanol or phthalate.
As peroxo compound, Tert-Butyl peroxybenzoate (TBPB) contains about 8.16 wt% of active oxygen and has a self accelerating decomposition temperature (SADT) of about 60 °C.
The SADT is the lowest temperature at which self-accelerating decomposition in the transport packaging can occur within a week, and which should not be exceeded while storage or transportation.
Tert-Butyl peroxybenzoate (TBPB) should therefore be stored between minimum 10 °C (below solidification) and maximum 50 °C.
Dilution with a high-boiling solvent increases the SADT.
The half-life of Tert-Butyl peroxybenzoate (TBPB), in which 50% of the peroxy ester is decomposed, is 10 hours at 104 °C, one hour at 124 °C and one minute at 165 °C.
Amines, metal ions, strong acids and bases, as well as strong reducing and oxidizing agents accelerate the decomposition of Tert-Butyl peroxybenzoate (TBPB) even in low concentrations.
However, Tert-Butyl peroxybenzoate (TBPB) is one of the safest peresters or organic peroxides in handling.
The main decomposition products of Tert-Butyl peroxybenzoate (TBPB) are carbon dioxide, acetone, methane, tert-butanol, benzoic acid and benzene.
Tert-Butyl peroxybenzoate (TBPB) is a yellowish liquid with the chemical formula C11H14O3.
As a low volatility, high purity aromatic peroxyester, it serves as an effective medium-temperature initiator for the polymerization of a broad spectrum of monomers.
For example, it can initiate the polymerization of acrylics, ethylene, and styrene.
Tert-Butyl peroxybenzoate (TBPB) also cures (copolymerizes) unsaturated polyester resins at elevated temperatures.
Furthermore, Tert-Butyl peroxybenzoate (TBPB) acts as a catalyst for crosslinking synthetic rubbers such as EPR, EPDM, and NBR.
A standard procedure for the preparation of peresters is the acylation of tert-butyl hydroperoxide with benzoyl chloride.
In the reaction a large excess of tert-butyl hydroperoxide is used and the hydrogen chloride formed is removed in vacuo whereby a virtually quantitative yield is obtained.
Tert-Butyl peroxybenzoate (TBPB) is an organic peroxide compound that features a peroxy (–O–O–) linkage, which is known for its high reactivity due to the relatively weak oxygen–oxygen bond.
Tert-Butyl peroxybenzoate (TBPB) consists of a tert-butyl group (–C(CH₃)₃), which is a bulky, branched alkyl group, bonded via an oxygen atom to the peroxy linkage, which in turn is connected to the benzoyl moiety (derived from benzoic acid).
Its IUPAC name is tert-butyl peroxybenzoate, and its chemical formula is C₁₁H₁₄O₃.
This compound is primarily used as a radical initiator, which means that it thermally decomposes at elevated temperatures to generate free radicals—highly reactive molecular fragments with unpaired electrons.
These radicals can initiate a variety of chain reactions, especially in the polymerization of vinyl monomers such as styrene, acrylonitrile, or methyl methacrylate, leading to the formation of long-chain plastic polymers.
In addition to its industrial role in polymer chemistry, Tert-Butyl peroxybenzoate (TBPB) is also of great interest in synthetic organic chemistry, particularly in reactions involving C–H functionalization, where it serves as an oxidant or radical source to help transform relatively inert hydrocarbon bonds into more reactive or functionalized species.
For example, Tert-Butyl peroxybenzoate (TBPB) is often used in radical-mediated oxidation or metal-catalyzed reactions to convert simple hydrocarbons into alcohols, ketones, or other functionalized products.
One of the advantages of Tert-Butyl peroxybenzoate (TBPB) is its relatively controlled decomposition rate, which makes it useful for controlled or stepwise radical reactions, unlike some more unstable or explosive peroxides.
Its half-life (the time it takes for half the compound to decompose) can be tailored by adjusting temperature and reaction conditions, which gives chemists a degree of control over how and when radicals are generated during a reaction.
However, despite its usefulness, Tert-Butyl peroxybenzoate (TBPB) must be handled with considerable caution. Like many organic peroxides, it poses significant safety risks, including flammability, explosiveness, and skin or eye irritation.
Tert-Butyl peroxybenzoate (TBPB) is sensitive to heat, shock, friction, and contamination, all of which can trigger rapid decomposition and potentially dangerous exothermic reactions.
As such, Tert-Butyl peroxybenzoate (TBPB) is typically stored in cool environments, often under refrigeration, in containers specifically designed to minimize risk, and it is used in well-ventilated laboratories or production facilities with proper protective equipment.
In summary, Tert-Butyl peroxybenzoate (TBPB) is a highly functional chemical reagent and initiator that plays a vital role in both industrial polymer production and advanced organic synthesis, thanks to its ability to reliably generate free radicals under controlled conditions—but its energetic and reactive nature also requires strict adherence to safety protocols during handling and use.
Tert-Butyl peroxybenzoate (TBPB) is widely used as a radical initiator in polymerization reactions, including the production of low-den (LDPE) and unsaturated polyester resins.
Tert-Butyl peroxybenzoate (TBPB) is a clear, colorless to slightly yellow liquid with a mild aromatic odor and is employed for crosslink synthetic rubbers as well as thermoplastic polyolens.
Tert-Butyl peroxybenzoate (TBPB) is eective in initiating polymerization at high temperatures, often used in combination with other achieve a broad range of polymerization conditions
Tert-Butyl peroxybenzoate (TBPB) a chemical compound from the group of peresters (compounds containing the general structure which contains a phenyl group as R1 and a tert butyl group as R2.
Tert-Butyl peroxybenzoate (TBPB) is a colorless to slightly yellow liquid with a mild aromatic odor.
Tert-Butyl peroxybenzoate (TBPB) is a monofunctional peroxide which is used for the crosslinking of natural and synthetic rubbers, a thermoplastic polyolens.
Tert-Butyl peroxybenzoate (TBPB) is a monofunctional peroxide, the chemical name is Tert-butyl peroxybenzoate, and it is an aromat for high temperature curing of Unsaturated Polyester resins.
Safe processing temperature: 100°C (rheometer ts2 > 20 min.). Typical crosslinking temperature: 140°C (rheometer t90 about.
Tert-Butyl peroxybenzoate (TBPB) is clear, colorless to slightly yellow liquid with a mild, aromatic odor.
Tert-Butyl peroxybenzoate (TBPB) also is stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the Air & Water Reactions of Tert-butyl peroxybenzoate: insoluble in water.
Tert-Butyl peroxybenzoate (TBPB) is soluble in ether, alcohol, ester, and ketones.
Tert-Butyl peroxybenzoate (TBPB) is insoluble in water.
Tert-Butyl peroxybenzoate (TBPB) is registered under the REACH Regulation and is manufactured in and / or imported to the Europea at ≥ 1 000 to < 10 000 tonnes per annum.
Tert-Butyl peroxybenzoate (TBPB) is colourless or slightly yellow liquid.
Tert-Butyl peroxybenzoate (TBPB) is an organic compound with the formula C6H5CO2CMe3 (Me = CH3).
Tert-Butyl peroxybenzoate (TBPB) is the most widely produced perester.
Tert-Butyl peroxybenzoate (TBPB) is often used as a radical initiator in polymerization reactions, such as the production of LDPE from crosslinking, such as for unsaturated polyester resins.
Other studies have determined the possibility that t-butyl peroxybenzoate can be metabolized to free radicals by human carcinoma skin keratinocytes.
Free radicals are suggested to be involved in the cascade of events occurring during tumor promotion .
Uses:
Tert-Butyl peroxybenzoate (TBPB) is used as a radical initiator, either in the polymerization of e.g. ethylene (to LDPE), vinyl chloride, styrene or acrylic esters or as so-called unsaturated polyester resins (UP resins).
The quantity used for the curing of UP resins is about 1-2%.
A disadvantage, particularly in the production of polymers for applications in the food or cosmetics sector, is the possible formation of benzene as a decomposition product which can diffuse out of the polymer (for example, an LDPE packaging film).
Tert-Butyl peroxybenzoate (TBPB) is used for elevated temperature curing of polyesters and to initiate polymerization reactions.
It could used as a Polymerization initiator for polyethylene, polystyrene, polyacrylates, and polyesters.
It is also used as a chemical intermediate.
Tert-Butyl peroxybenzoate (TBPB) was employed as polymerization and cross-linking catalyst.
Tert-Butyl peroxybenzoate (TBPB) was also was employed as initiator during ?grafting of 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO)-4-oxyacetamido-(3 propyltriethoxysilane) to poly(ethylene co-octene and in preparation of conformal poly(cyclohexyl methacrylate) thin films via initiated chemical vapor deposition.
One of the most widespread and significant uses of Tert-Butyl peroxybenzoate (TBPB) is as a free radical initiator in the polymerization of monomers, such as styrene, methyl methacrylate (MMA), and vinyl acetate, where it helps to start the chain-growth reaction necessary for converting small molecules (monomers) into long-chain polymers or plastics.
In this context, Tert-Butyl peroxybenzoate (TBPB) thermally decomposes to produce reactive radical species that can attack the double bonds in monomers, thus initiating a self-propagating chain reaction that leads to the formation of important commercial polymers used in plastics, adhesives, and coatings.
In modern synthetic organic chemistry, Tert-Butyl peroxybenzoate (TBPB) is increasingly used as an oxidizing agent and radical generator for performing C–H functionalization reactions, a powerful method by which inert C–H bonds in hydrocarbons are selectively activated and transformed into functional groups such as alcohols, ketones, esters, or halides.
These transformations are particularly useful in modifying complex molecules or in the late-stage diversification of pharmaceuticals and bioactive compounds, allowing chemists to create new derivatives of existing drug candidates with improved properties or selectivity.
Tert-Butyl peroxybenzoate (TBPB) also finds use in metal-catalyzed oxidative cross-coupling reactions, where it provides the oxidative force or generates radicals that allow two different molecular fragments to be joined together, often under mild conditions.
For example, it is used in reactions catalyzed by copper, iron, or manganese complexes to couple aryl or alkyl species to aromatic rings, alkenes, or other nucleophilic centers, offering a greener, often metal-free or low-metal alternative to traditional cross-coupling strategies that rely heavily on expensive or toxic palladium catalysts.
Another key application of Tert-Butyl peroxybenzoate (TBPB) is in the selective oxidation of allylic and benzylic positions, which are relatively reactive sites in organic molecules found adjacent to double bonds or aromatic rings.
Under appropriate conditions, Tert-Butyl peroxybenzoate (TBPB) can convert such C–H bonds into C–O bonds, yielding alcohols, aldehydes, or ketones, making it a valuable tool for synthesizing fine chemicals, pharmaceutical intermediates, or fragrance compounds.
This method is especially useful because it typically avoids the need for stoichiometric amounts of heavy-metal oxidants and can proceed under milder conditions compared to classical oxidation techniques.
In academic and industrial research, Tert-Butyl peroxybenzoate (TBPB) is frequently employed in mechanistic studies designed to investigate radical pathways and oxidative transformations.
Because it generates a known set of radicals in a predictable manner, chemists use TBPB to explore reaction mechanisms, test new catalyst systems, or validate computational models involving radical intermediates.
Its clean decomposition profile and predictable kinetics make it a reliable model peroxide for benchmarking new synthetic methods or studying the selectivity and reactivity of radical species in complex reaction environments.
In large-scale industrial applications, Tert-Butyl peroxybenzoate (TBPB) is used as a hardening agent or curing initiator for unsaturated polyester resins and thermoset plastics, which are important in the manufacture of fiberglass composites, marine coatings, automotive parts, and construction materials.
The peroxide helps initiate the curing process by creating cross-linked polymer networks that transform liquid resins into solid, durable materials with high chemical resistance and thermal stability.
Its slow and controlled radical release makes it ideal for curing systems that require extended working times or heat-triggered hardening.
Tert-Butyl peroxybenzoate (TBPB) has gained interest in the development of controlled or selective radical reactions, which are increasingly important in the field of green chemistry, where the goal is to minimize waste, reduce toxicity, and improve efficiency.
Since Tert-Butyl peroxybenzoate (TBPB) decomposes in a relatively predictable and clean manner, it is often used in solvent-free or low-waste reactions that aim to minimize environmental impact, making it a more sustainable option compared to harsher oxidants like chromium or permanganate compounds.
The protecting group 2-trimethylsilylethanesulfonyl chloride (SES-Cl) for primary and secondary amino groups is accessible by the reaction of vinyltrimethylsilane with sodium hydrogensulfite and Tert-Butyl peroxybenzoate (TBPB) to the sodium salt of trimethylsilylethanesulfonic acid and the subsequent reaction with thionyl chloride to the corresponding sulfonyl chloride.
Tert-Butyl peroxybenzoate (TBPB) can also be used in combination with highly active peroxides such as Perkadox 16 or Trigonox HM as co-accelerators for pultrusion processes in the range of 100-150 °C.
Tert-Butyl peroxybenzoate (TBPB) is used as an initiator of radical polymerization in the production of polymeric materials.
Tert-Butyl peroxybenzoate (TBPB) is used as a hardener for polyester resins.
Tert-Butyl peroxybenzoate (TBPB) is used by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Other release to the environment of Tert-butyl peroxybenzoate is likely to occur from: indoor use.
Tert-Butyl peroxybenzoate (TBPB) is used in the following products: polymers.
Release to the environment of Tert-Butyl peroxybenzoate (TBPB) can occur from industrial use: formulation of mixtures and formulation in materials.
Tert-Butyl peroxybenzoate (TBPB) is used for the manufacture of: plastic products and rubber products.
Release to the environment of Tert-Butyl peroxybenzoate (TBPB) can occur from industrial use: as processing aid and as processing aid.
Release to the environment of Tert-Butyl peroxybenzoate (TBPB) can occur from industrial use: manufacturing of the substance.
Tert-Butyl peroxybenzoate (TBPB) is used for elevatedtemperaturecuring of polyesters and to initiatepolymerization reactions.
Tert-Butyl peroxybenzoate (TBPB) was employed as polymerization and cross-linking catalyst.
Tert-Butyl peroxybenzoate (TBPB) was also was employed as initiator during ?grafting of 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO)-4-oxyacetamido- (3 propyltriethoxysilane) to poly(ethylene co-octene and in preparation of conformal poly(cyclohexyl methacrylate) thin lms via initiated chemical vapor deposition.
Polymerization initiator for polyethylene, polystyrene, polyacrylates, and polyesters; chem- ical intermediate.
Tert-Butyl peroxybenzoate (TBPB) is used as a polymerization initiator and as a chemical intermediate.
Tert-Butyl peroxybenzoate (TBPB) is often used as a radical initiator in polymerization reactions, such as the production of LDPE from ethylene, and for crosslinking, such as for unsaturated polyester resins.
Tert-Butyl peroxybenzoate (TBPB) may be used for the (co)polymerization of styrene in the temperature range of 100-140°C.
In practice, combinations of two or more peroxides with diverging activities are used to reduce the residual monomer content in the nal polymer and to increase reactor eciency.
Tert-Butyl peroxybenzoate (TBPB) may be used for the (co)polymerization of styrene in the temperature range of 100- 140°C.
In practice, combinations of two or more peroxides with diverging activities are used to reduce the residual monomer content in the nal polymer and to increase reactor eciency.
Tert-Butyl peroxybenzoate (TBPB) is an ecient initiator for the ethylene polymerization at high pressure in both autoclave and tubular processes.
To obtain a wide spectrum of polymerization temperatures, Tert-Butyl peroxybenzoate (TBPB) is often used in combination with other peroxides.
Depending on reaction conditions, Tert-Butyl peroxybenzoate (TBPB) is active in the temperature range of 220-270°C.
Primarily, Tert-Butyl peroxybenzoate (TBPB) is used as a radical initiator, either in the polymerization of e.g. ethylene (to LDPE), vinyl chloride, styrene or acrylic esters or as so-called unsaturated polyester resins (UP resins).
The quantity used for the curing of UP resins is about 1-2%.
A disadvantage, particularly in the production of polymers for applications in the food or cosmetics sector, is the possible formation of benzene as a decomposition product which can diuse out of the polymer (for example, an LDPE packaging lm).
The protecting group Tert-Butyl peroxybenzoate (TBPB) for primary and secondary amino groups is accessible by the reaction of vinyltrimethylsilane with sodium hydrogensulte and Tert-Butyl peroxybenzoate (TBPB) to the sodium salt of trimethylsilylethanesulfonic acid and the subsequent reaction with thionyl chloride to the corresponding sulfonyl chloride.
Tert-Butyl peroxybenzoate (TBPB) is widely utilized in hot press molding techniques like SMC, BMC, and pultrusion.
Its effective curing properties make it suitable for producing a variety of products, including automotive components, electrical housings, and construction materials.
The high reactivity of TBPB ensures thorough polymerization, resulting in durable and robust end products.
From cyclohexene, Tert-Butyl peroxybenzoate (TBPB) is formed with TBPB in the presence of catalytic amounts of copper(I)bromide in 71 to 80% yield.
This allylic oxidation of alkenes, also known as Kharasch-Sosnovsky oxidation, generates racemic allylic benzoates in the presence of catalytic amounts of copper(I)bromide.
A modification of the reaction utilizes copper(II) trifluoromethanesulfonate as a catalyst and DBN or DBU as bases to achieve yields up to 80% in the reaction of acyclic olefins with TBPB to allylic benzoates.
Substituted oxazolines and thiazolines can be oxidized to the corresponding oxazoles and thiazoles in a modified Kharash-Sosnovsky oxidation with TBPB and a mixture of Cu(I) and Cu(II) salts in suitable yields.
Tert-Butyl peroxybenzoate (TBPB) is often used for reduction of residual styrene content during the nal polymerization stage.
Tert-Butyl peroxybenzoate (TBPB) is used as initiator in co-polymerization of Ethylene, Styrene, Acrylonitrile, Vinyl Acetate,Acrylate and Metacrylates.
Tert-Butyl peroxybenzoate (TBPB) is used during styrene co-polymerization at temperatures between 100-140°C.
Tert-Butyl peroxybenzoate (TBPB) is used as an initiator for high-pressure polyethylene, silicone rubber curing agent, unsaturated polyester curing agent.
Tert-Butyl peroxybenzoate (TBPB) is used as a catalyst in the preparation of paper strengthening agents for papermaking.
Tert-Butyl peroxybenzoate (TBPB) is used as polymerization initiator (polyethylene, polystyrene, polyacrylates, and polyesters) and curing agent (unsaturated polyesters and silicon rubber).
Tert-Butyl peroxybenzoate (TBPB) is also used as a chemical intermediate.
Tert-Butyl peroxybenzoate (TBPB) is used preparation of conformal poly(cyclohexyl methacrylate) thin lms via initiated chemical vapor deposition.
Tert-Butyl peroxybenzoate (TBPB) is used for the crosslinking of natural and synthetic rubbers, as well as thermoplastic polyolens.
Tert-Butyl peroxybenzoate (TBPB) is used for the cross-linking of natural and synthetic rubbers, as well as thermoplastic polyolens.
Being thermally unstable substances, Tert-Butyl peroxybenzoate (TBPB) may undergo self accelerating decomposition.
Tert-Butyl peroxybenzoate (TBPB) is used in wire and cable applications.
In the temperature range of 100-170°C, Tert-Butyl peroxybenzoate (TBPB) can be used as an initiator for the solution polymerization or copolymerization of acrylate and methacrylate, especially for the production of coatings.
Safety Profile:
Moderately toxic by ingestion.
A skin and eye irritant questionable carcinogen with experimental tumorigenic data.
Potentially explosive when heated above 11 5'C.
Explosive reaction on contact with organic matter or copperQ) bromide + limonene.
When heated to decomposition it emits acrid smoke and fumes.
While Tert-Butyl peroxybenzoate (TBPB) itself is not classified as highly flammable in the same way as some volatile organic solvents, it is still capable of contributing to combustion once ignited, as its decomposition releases large amounts of oxygen and heat, thereby intensifying any fire it is involved in.
In the event of a fire, it should never be extinguished with water, as this can spread reactive material; instead, foam, dry chemical powder, or CO₂ extinguishers are recommended, and firefighting personnel should wear full protective gear due to the risk of toxic combustion products like carbon monoxide, carbon dioxide, and benzoic acid vapors.
One of the primary hazards of tert-butyl peroxybenzoate is its tendency to thermally decompose, particularly when exposed to elevated temperatures, direct sunlight, or sources of ignition, which can result in a violent exothermic reaction due to the breaking of its weak peroxy (–O–O–) bond.
If not properly stored under controlled, cool conditions, Tert-Butyl peroxybenzoate (TBPB) can rapidly release heat and gases during decomposition, potentially leading to explosions, fires, or rupture of containers, especially in confined spaces or large quantities.
Tert-Butyl peroxybenzoate (TBPB), like many organic peroxides, is mechanically sensitive, meaning it can become unstable or detonate if subjected to shock, impact, friction, or abrasive handling during transportation or usage.
Moreover, its reactivity can be dangerously enhanced when it comes into contact with certain metals, metal salts, reducing agents, or strong acids or bases, which may act as catalysts and accelerate decomposition.
This is why it is strictly recommended to avoid contaminating Tert-Butyl peroxybenzoate (TBPB) with incompatible substances or transferring it into unsuitable containers.
Tert-Butyl peroxybenzoate (TBPB) poses significant health hazards to individuals handling it without proper protective equipment, as direct contact with the skin or eyes can cause serious irritation, burns, or allergic reactions, while inhalation of its vapors may lead to respiratory irritation, coughing, dizziness, or in severe cases, chemical pneumonitis.
If swallowed, it can cause gastrointestinal distress such as nausea, vomiting, and abdominal pain, and medical attention should be sought immediately.
Although Tert-Butyl peroxybenzoate (TBPB) is not among the most persistent or bioaccumulative substances, improper disposal or accidental release into the environment can pose a risk to aquatic ecosystems, as it may be toxic to fish and other marine organisms, especially due to its oxidative nature and potential to disrupt cellular processes.
Environmental exposure should be minimized by following all relevant chemical waste disposal guidelines and preventing the compound from entering drains, soil, or waterways.
