TERT-BUTYL PEROXYBENZOATE

Tert-butyl peroxybenzoate is widely used as a radical initiator in polymerization reactions, including the production of low-density polyethylene (LDPE) and unsaturated polyester resins.

Tert-butyl peroxybenzoate is a clear, colorless to slightly yellow liquid with a mild aromatic odor and is employed for crosslinking natural and synthetic rubbers as well as thermoplastic polyolefins.

Tert-butyl peroxybenzoate is effective in initiating polymerization at high temperatures, often used in combination with other peroxides to achieve a broad range of polymerization conditions.

CAS Number: 614-45-9

EC Number: 210-382-2

Molecular Formula: C11H14O3

Molecular Weight: 194.23

Synonyms: Tretbutylperbenzoate, TBPB, TRIGONOX C, Trigonox C, Luperox P, Tert-butyl peroxybenzoate, tert-butyl perbenzoate, t-butyl perbenzoate, chaloxyd tbpb, perbutyl z, esperox 10, novox, trigonox c, tert-butyl peroxy benzoate, terc.butylperbenzoan, Tert-butyl peroxybenzoate, 614-45-9, tert-Butyl perbenzoate, tert-butyl benzenecarboperoxoate, t-Butyl perbenzoate, Chaloxyd tbpb, Perbutyl Z, Esperox 10, tert-Butyl peroxy benzoate, Terc.butylperbenzoan, Benzoyl tert-butyl peroxide, Peroxybenzoic acid, tert-butyl ester, Benzenecarboperoxoic acid, 1,1-dimethylethyl ester, t-Butyl peroxybenzoate, Perbenzoate de butyle tertiaire, tert-butyl benzoperoxoate, DTXSID9024699, NSC-674, 54E39145KT, benzenecarboperoxoic acid tert-butyl ester, Trigonox C, DTXCID904699, tert-butylperoxybenzoate, t-Butyl peroxy benzoate, CAS-614-45-9, CCRIS 6217, HSDB 2891, NSC 674, Perbenzoic acid, tert-butyl ester, Tert butyl peroxybenzoate, EINECS 210-382-2, BRN 1342734, PEROXYBENZOIC ACID, T-BUTYL ESTER, AI3-06625, UNII-54E39145KT, t-butylperbenzoate, t-butyl per benzoate, t-butyl-peroxybenzoate, terc.Butylester kyseliny peroxybenzoove, tert-butyl-perbenzoate, tert.butyl perbenzoate, tert. butyl perbenzoate, t-butyl benzoyl peroxide, tertiary butyl perbenzoate, tert-butyl peroxy-benzoate, EC 210-382-2, SCHEMBL22820, WLN: 1X1&1&OOVR, NSC674, CHEMBL1328092, BUTYL PEROXYBENZOATE, TERT-, ZINC1596408, Tox21_202287, Tox21_300070, AKOS015890015, T-BUTYL BENZOYL PEROXIDE [INCI], NCGC00091791-01, NCGC00091791-02, NCGC00091791-03, NCGC00091791-04, NCGC00254006-01, NCGC00259836-01, Benzenecarboperoxoic acid,1-dimethylethyl ester, EN300-129025, Luperox(R) P, Tert-butyl peroxybenzoate, 98%, PEROXYBENZOIC ACID, T-BUTYL ESTER [HSDB], Q14469782, Tert-butyl peroxybenzoate, technical, >=95.0% (RT), Benzoyl tert-butyl peroxide, CP 02, CP 02 (catalyst), Chaloxyd TBPB, Chaloxyd, TBPB-HA-M 1, Esperox 10, Interox TBPB-HA-M 1, Kayabutyl B, LQ-TBPB, Link-Cup, TBPB, Luperox P, Luperox PXL, NSC 674, Norox TBPB, Perbutyl Z, TBPB, TBPB-HA-M 1, TBPB-HA-M 3, TC 5, TC 5 (vulcanizer), Trigonox 93, Trigonox C, Trigonox C 50D, V 73, t-Butyl peroxybenzoate, tert-Butyl benzoyl peroxide, Tert-butyl peroxybenzoate, Tert-butyl peroxybenzoate, Benzenecarboperoxoic acid, 1,1-dimethylethyl ester, Benzoyl tert-butyl peroxide, Chaloxyd TBPB; Esperox 10, Novox; Perbenzoate de butyle tertiaire [French], Perbenzoic acid, tert-butyl ester, Perbutyl Z, Peroxybenzoic acid, tert-butyl ester, Trigonox C, t-Butyl perbenzoate, t-Butyl peroxy benzoate, UN3103, Benzoyl tert-butyl peroxide, Peroxybenzoic acid, tert-butyl ester, Tert-butyl peroxybenzoate, Benzenecarboperoxoic acid, 1,1-dimethylethyl ester, tert-Butyl perbenzoate, Peroxybenzoic acid, t-butyl ester, TBPB, novox, esperox10, Trigonox?C, chaloxydtbpb, butylperoxybenzoate, Butylperoxybenzoate, tert-Butyl perbenzoate, Tert-Buty Peroxybenzoate, Tert-butyl peroxybenzoate, benzoyltert-butylperoxide, perbenzoatedebutyletertiaire, tert-butyl benzenecarboperoxoate, perbenzoatedebutyletertiaire(french), Benzenecarboperoxoicacid,1,1-dimethylethylester

Tert-butyl peroxybenzoate is an organic compound with the formula C6H5CO2CMe3 (Me = CH3).

Tert-butyl peroxybenzoate is the most widely produced perester.

Tert-butyl peroxybenzoate 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 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 is a colorless to slightly yellow liquid with a mild aromatic odor.

Tert-butyl peroxybenzoate is a monofunctional peroxide which is used for the crosslinking of natural and synthetic rubbers, as well as thermoplastic polyolefins.

Tert-butyl peroxybenzoate is a monofunctional peroxide, the chemical name is Tert-butyl peroxybenzoate, and it is an aromatic peroxide used 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 12 min.).

Tert-butyl peroxybenzoate is clear, colorless to slightly yellow liquid with a mild, aromatic odor.

Tert-butyl peroxybenzoate also is stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard.

Air & Water Reactions of Tert-butyl peroxybenzoate: insoluble in water.

Tert-butyl peroxybenzoate is soluble in ether, alcohol, ester, and ketones.

Tert-butyl peroxybenzoate is insoluble in water.

Tert-butyl peroxybenzoate is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 to < 10 000 tonnes per annum.

Tert-butyl peroxybenzoate is colourless or slightly yellow liquid.

Tert-butyl peroxybenzoate is a clear, colorless to slightly yellow liquid with a mild, aromatic odor.

Also stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard.

Tert-butyl peroxybenzoate is a clear, colorless to slightly yellow liquid with a mild, aromatic odor.

Tert-butyl peroxybenzoate also is stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard.

Tert-butyl peroxybenzoate is an organic compound with the formula C6H5CO2CMe3 (Me = CH3).

Tert-butyl peroxybenzoate is the most widely produced perester.

Tert-butyl peroxybenzoate is yellowish liquid which has C11H14O3 as chemical formula.

Tert-butyl peroxybenzoate is a low volatility, high purity, aromatic peroxyester. which is effective as medium temperature initiator for polymerization of a broad spectrum of monomers, per example acrylics, ethylene and styrene.

Tert-butyl peroxybenzoate is also used to cure (copolymerization) unsaturated polyester resins at elevated temperatures.

Further Tert-butyl peroxybenzoate is used as catalyst for crosslinking synthetic rubbers like EPR, EPDM and NBR.

Crosslinking catalyst for natural and synthetic rubber materials

Tert-butyl peroxybenzoate is a clear, colorless to slightly yellow liquid with a mild, aromatic odor.

Tert-butyl peroxybenzoate is also stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard.

Tert-butyl peroxybenzoate is a colorless to slightly yellow liquid with a mild aromatic odor.

Tert-butyl peroxybenzoate is used as a polymerization initiator and as a chemical intermediate.

Applications of Tert-Butyl Peroxybenzoate:

In polymer chemistry:

Primarily, Tert-butyl peroxybenzoate 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).

In organic chemistry:

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 to the sodium salt of trimethylsilylethanesulfonic acid and the subsequent reaction with thionyl chloride to the corresponding sulfonyl chloride.

Tert-butyl peroxybenzoate can be used to introduce a benzoyloxy group in the allyl position of unsaturated hydrocarbons.

From cyclohexene, 3-benzoyloxycyclohexene is formed with Tert-butyl peroxybenzoate 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 Tert-butyl peroxybenzoate to allylic benzoates.

Substituted oxazolines and thiazolines can be oxidized to the corresponding oxazoles and thiazoles in a modified Kharash-Sosnovsky oxidation with Tert-butyl peroxybenzoate and a mixture of Cu(I) and Cu(II) salts in suitable yields.

The carboalkoxy group at the C-4 position is essential a successful reaction.

Benzene and furans can be alkenylated with olefins in an oxidative coupling under palladium salt catalysis, with Tert-butyl peroxybenzoate as hydrogen acceptor.

In the absence of Pd2+ salts, the aromatics are benzoxylated.

Other Applications:

Standard initiator in BMC, SMC and pultrusion

High purity, stability, low volatility

Can be accelerated with metal-based promoters

Uses of Tert-Butyl Peroxybenzoate:

Tert-butyl peroxybenzoate is often used for reduction of residual styrene content during the final polymerization stage.

Tert-butyl peroxybenzoate is used as initiator in co-polymerization of Ethylene, Styrene, Acrylonitrile, Vinyl Acetate,Acrylate and Metacrylates.

Tert-butyl peroxybenzoate is used during styrene co-polymerization at temperatures between 100-140°C.

Tert-butyl peroxybenzoate is used as an initiator for high-pressure polyethylene, silicone rubber curing agent, unsaturated polyester curing agent.

Tert-butyl peroxybenzoate is used as a catalyst in the preparation of paper strengthening agents for papermaking.

Tert-butyl peroxybenzoate is used as polymerization initiator (polyethylene, polystyrene, polyacrylates, and polyesters) and curing agent (unsaturated polyesters and silicon rubber).

Tert-butyl peroxybenzoate is also used as a chemical intermediate.

Tert-butyl peroxybenzoate is used preparation of conformal poly(cyclohexyl methacrylate) thin films via initiated chemical vapor deposition.

Common uses of Tert-butyl peroxybenzoate: Tert-butyl peroxybenzoate is used for the crosslinking of natural and synthetic rubbers, as well as thermoplastic polyolefins.

Tert-butyl peroxybenzoate is used for the cross-linking of natural and synthetic rubbers, as well as thermoplastic polyolefins.

Being thermally unstable substances, Tert-butyl peroxybenzoate may undergo self accelerating decomposition.

Tert-butyl peroxybenzoate is used in wire and cable applications.

In the temperature range of 100-170°C, Tert-butyl peroxybenzoate can be used as an initiator for the solution polymerization or copolymerization of acrylate and methacrylate, especially for the production of coatings.

Tert-butyl peroxybenzoate can also be used as initiator for bulk and suspension polymerization or copolymerization of acrylate and methacrylate.

Tert-butyl peroxybenzoate is preferentially used for thermocompression molding of unsaturated polyester resins (SMC, BMC, etc.) within the temperature range of 120-170°C.

Tert-butyl peroxybenzoate 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 is used as an initiator of radical polymerization in the production of polymeric materials.

Tert-butyl peroxybenzoate is used as a hardener for polyester resins.

Tert-butyl peroxybenzoate 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 is used in the following products: polymers.

Release to the environment of this substance can occur from industrial use: formulation of mixtures and formulation in materials.

Tert-butyl peroxybenzoate is used for the manufacture of: plastic products and rubber products.

Release to the environment of Tert-butyl peroxybenzoate can occur from industrial use: as processing aid and as processing aid.

Release to the environment of Tert-butyl peroxybenzoate can occur from industrial use: manufacturing of the substance.

Tert-butyl peroxybenzoate is used for elevatedtemperaturecuring of polyesters and to initiatepolymerization reactions.

Tert-butyl peroxybenzoate was employed as polymerization and cross-linking catalyst.

Tert-butyl peroxybenzoate 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.

Polymerization initiator for polyethylene, polystyrene, polyacrylates, and polyesters; chem- ical intermediate.

Tert-butyl peroxybenzoate is used as a polymerization initiator and as a chemical intermediate.

Polymerization of styrene:

Tert-butyl peroxybenzoate 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 final polymer and to increase reactor efficiency.

Polymerization of styrene:

Tert-butyl peroxybenzoate 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 final polymer and to increase reactor efficiency.

Polymerization of ethylene:

Tert-butyl peroxybenzoate is an efficient 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 is often used in combination with other peroxides.

Depending on reaction conditions, Tert-butyl peroxybenzoate is active in the temperature range of 220-270°C.

In polymer chemistry:

The quantity used for the curing of UP resins is about 1-2%.

In organic chemistry:

Polymerization of acrylates and methacrylates:

Tert-butyl peroxybenzoate may be used as an initiator for the bulk, suspension and solution (co)polymerization of acrylates and methacrylates in the temperature range of 90-130°C.

For Crosslinking:

Tert-butyl peroxybenzoate is a monofunctional peroxide which is used for the crosslinking of natural rubber and synthetic rubbers, as well as polyolefins.

For Thermoset:

Tert-butyl peroxybenzoate, Tert-butyl peroxybenzoate, is an aromatic perester, which is used for the curing of unsaturated polyester resins at elevated temperatures.

Tert-butyl peroxybenzoate is preferred for the curing of UP resin based Hot Press Moulding formulations (SMC, BMC etc.) in the temperature range of 120-170°C.

Tert-butyl peroxybenzoate can also be used in combination with high reactive peroxides like Perkadox 16 or Trigonox HMa as kicker in formulations for pultrusion in the temperature range of 100-150°C.

In combination with a cobalt accelerator (e.g. Accelerator NL-53N, 10% cobalt), Tert-butyl peroxybenzoate is also applicable for the cure of UP resins in the temperature range of 70°C and higher.

Experimental Properties of Tert-Butyl Peroxybenzoate:

Tert-butyl peroxybenzoate, which is pale yellow, is exclusively encountered as a solution in solvents such as ethanol or phthalate.

As peroxo compound, Tert-butyl peroxybenzoate 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 peroxybenzoateshould 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, 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 even in low concentrations.

However, Tert-butyl peroxybenzoate is one of the safest peresters or organic peroxides in handling.

The main decomposition products of Tert-butyl peroxybenzoate are carbon dioxide, acetone, methane, tert-butanol, benzoic acid and benzene.

Tert-butyl peroxybenzoate, which is pale yellow, is exclusively encountered as a solution in solvents such as ethanol or phthalate.

Production of Tert-Butyl Peroxybenzoate:

A standard procedure for the preparation of peresters is the acylation of Tert-butyl peroxybenzoate with benzoyl chloride.

In the reaction a large excess of Tert-butyl peroxybenzoate is used and the hydrogen chloride formed is removed in vacuo whereby a virtually quantitative yield is obtained.

Tert-butyl peroxybenzoate can be used to introduce a benzoyloxy group in the allyl position of unsaturated hydrocarbons.

From cyclohexene, 3-benzoyloxycyclohexene is formed with Tert-butyl peroxybenzoate 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.

The carboalkoxy group at the C-4 position is essential a successful reaction.

Benzene and furans can be alkenylated with olefins in an oxidative coupling under palladium salt catalysis, with Tert-butyl peroxybenzoate as hydrogen acceptor.

In the absence of Pd2+ salts, the aromatics are benzoxylated.

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.

History of Tert-Butyl Peroxybenzoate:

Tert-butyl peroxybenzoate was developed as part of early 20th-century research into peroxy compounds used as polymerization initiators.

Gaining industrial prominence in the 1950s and 1960s, Tert-butyl peroxybenzoate became widely utilized for initiating polymerization reactions in the production of plastics and resins due to its effectiveness and stability.

Over time, as its applications expanded, focus shifted to enhancing safety protocols and handling procedures to manage its reactivity.

Today, Tert-butyl peroxybenzoate remains a key compound in material science, valued for its role in creating high-performance polymers and coatings.

Handling and Storage of Tert-Butyl Peroxybenzoate:

Handling:

Avoid contact with skin, eyes, and clothing.

Use in a well-ventilated area.

Avoid inhaling vapors.

Ensure proper grounding and bonding to prevent static discharge.

Storage:

Store in a cool, dry place away from heat, flames, and direct sunlight.

Keep containers tightly closed when not in use.

Store away from incompatible materials like strong acids and oxidizers.

Use explosion-proof electrical equipment.

Stability and Reactivity of Tert-Butyl Peroxybenzoate:

Stability:

Stable under normal conditions of use and storage.

Reactivity:

Tert-butyl peroxybenzoate explodes with great violence when rapidly heated to a critical temperature; pure form is shock sensitive and detonable.

Upon contact with organic matter, t-butyl peroxybenzoate can ignite or give rise to an explosion.

Tert-butyl peroxybenzoate was employed as polymerization and cross-linking catalyst.

Tert-butyl peroxybenzoate 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.

Reacts violently with strong acids, bases, and oxidizers.

Decomposes at high temperatures, releasing toxic fumes including benzene and carbon monoxide.

Hazardous Decomposition Products:

May produce carbon monoxide, carbon dioxide, and benzene when decomposed.

First Aid Measures of Tert-Butyl Peroxybenzoate:

Inhalation:

Move the person to fresh air immediately.

If symptoms persist or if breathing is difficult, seek medical attention.

Skin Contact:

Remove contaminated clothing and rinse skin thoroughly with water.

If irritation persists, seek medical attention.

Eye Contact:

Rinse eyes with water for at least 15 minutes.

Remove contact lenses if present and easy to do.

Seek medical attention immediately.

Ingestion:

Do not induce vomiting.

Rinse mouth with water and seek medical attention immediately.

Fire Fighting Measures of Tert-Butyl Peroxybenzoate:

Fire Extinguishing Media:

Use water spray, foam, dry chemical, or carbon dioxide.

Avoid using water streams directly.

Specific Hazards:

Can form explosive mixtures with air.

Decomposes when heated, releasing toxic gases.

Protective Equipment:

Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures of Tert-Butyl Peroxybenzoate:

Personal Precautions:

Wear appropriate personal protective equipment (PPE) including gloves and eye protection.

Ensure adequate ventilation.

Environmental Precautions:

Prevent entry into waterways, sewers, or confined areas.

Cleanup Methods:

Contain and absorb with inert material (e.g., sand, earth). Place into appropriate waste disposal containers.

Avoid using water.

Exposure Controls/Personal Protective of Tert-Butyl Peroxybenzoate:

Exposure Limits:

Follow local regulations for permissible exposure limits.

Engineering Controls:

Ensure adequate ventilation, including local exhaust, to maintain airborne concentrations below permissible limits.

Personal Protective Equipment (PPE):

Respiratory Protection:

Use a respirator with appropriate filters if ventilation is insufficient or if exposure limits are exceeded.

Hand Protection:

Wear protective gloves resistant to chemicals.

Eye Protection:

Use safety goggles or face shields to protect eyes from splashes and vapors.

Skin Protection:

Wear protective clothing to minimize skin exposure.

Identifiers of Tert-Butyl Peroxybenzoate:

CAS: 614-45-9

European Community (EC) Number: 210-382-2

Molecular Formula: C11H14O3

Molecular Weight: 194.23

Odor: Mild aromatic odor

Boiling Point: 234 °F at 760 mmHg

Melting Point: 46 °F

Flash Point: 200 °F

Solubility: less than 1 mg/mL at 68 °F

Density: 1.04 at 77 °F

Vapor Pressure: 0.33 mmHg at 122 °F

CAS Number: 614-45-9

EC Number: 210-382-2

MDL Number: MFCD00008802

Molecular Formula: C11H14O3

Linear Formula: C6H5COOOC(CH3)3

Product Type: Crosslinking Catalysts / Accelerators / Initiators > Organic Peroxides

Properties of Tert-Butyl Peroxybenzoate:

Physical state clear, liquid

Color: light yellow

Odor: weakly aromatic

Melting point/freezing point:

Melting point/range: 9 – 11 °C at 1.013

Initial boiling point and boiling range: 75 – 76 °C at 0,3 hPa – lit.

Flammability (solid, gas): No data available

Upper/lower flammability or explosive limits: No data available

Flash point 93,4 °C – closed cup – Decomposition

Autoignition temperature: No data available

Decomposition temperature: > 60 °C

pH: No data available

Viscosity

Viscosity, kinematic: No data available

Viscosity, dynamic: 7,5 mPa.s at 20 °C

Water solubility: 1,18 g/l – soluble

Partition coefficient: n-octanol/water:

log Pow: 3 at 25 °C – Bioaccumulation is not expected.

Vapor pressure: < 0,003 hPa at 20 °C

Density: 1,021 g/mL at 25 °C – lit.

Relative density: No data available

Relative vapor density: No data available

Particle characteristics: No data available

Explosive properties: No data available

Oxidizing properties: none

Other safety information:

Relative vapor density: 6,71 – (Air = 1.0)

Appearance: colorless to pale yellow clear liquid (est)

Assay: 95.00 to 100.00

Food Chemicals Codex Listed: No

Specific Gravity: 1.02100 @ 25.00 °C.

Melting Point: 8.00 °C. @ 760.00 mm Hg

Boiling Point: 282.40 °C. @ 760.00 mm Hg (est)

Vapor Pressure: 0.330000 mmHg @ 50.00 °C.

Flash Point: 200.00 °F. TCC ( 93.33 °C. )

logP (o/w): 3.330 (est)

Soluble in: water, 159.2 mg/L @ 25 °C (est)

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

Water Solubility: Immiscible

BRN: 1342734

Stability: Stable.

Incompatible with a wide range of organic materials – oxidizer.

May react violently with organic compounds.

InChIKey: GJBRNHKUVLOCEB-UHFFFAOYSA-N

LogP: 3 at 25℃

Appearance: clear liquid

Color: 100 Pt-Co/APHA max

Active oxygen: 8.07% min

TBHP as Hydroperoxides: 0.10% max

Density, 20 ℃: 1.04g/cm3

Viscosity, 20 ℃: 6.5 mPa.s

Purity: one hundred%

Appearance: clear liquid

Color: 100 Pt-Co/APHA max

Experiment: 98.0% min

Active oxygen: 8.07% min

TBHP as Hydroperoxides: 0.10% max

Density, 20 ℃: 1.04g/cm3

Viscosity, 20 ℃: 6.5 mPa.s

Molecular Weight: 194.23

XLogP3-AA: 2.8

Hydrogen Bond Donor Count: 0

Hydrogen Bond Acceptor Count: 3

Rotatable Bond Count: 4

Exact Mass: 194.094294304

Monoisotopic Mass: 194.094294304

Topological Polar Surface Area: 35.5 Å²

Heavy Atom Count: 14

Complexity: 187

Isotope Atom Count: 0

Defined Atom Stereocenter Count: 0

Undefined Atom Stereocenter Count: 0

Defined Bond Stereocenter Count: 0

Undefined Bond Stereocenter Count: 0

Covalently-Bonded Unit Count: 1

Compound Is Canonicalized: Yes

Names of Tert-Butyl Peroxybenzoate:

Tert-butyl peroxybenzoate

Tert-butyl benzoate peroxide

Tert-butyl 4-carboxylate peroxide

Tert-butyl phenyl peroxide

TBPB (abbreviation)

Other Names:

Tert-butyl peroxybenzoate (TBPB)

Tert-butyl benzoic peroxide

Tert-butyl benzoate peroxide

Tert-butyl phenyl peroxide

Tert-butyl benzoate peroxide

Peroxybenzoyl tert-butyl ester

4-((tert-butylperoxy)benzoyl)benzene

TERT-BUTYL PEROXYBENZOATE

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TERT-BUTYL PEROXYBENZOATE

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