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Product name
CAS
Formula

t-Butyl Cumyl Peroxide

CAS3457-61-2
SynonymCumyl t-butyl peroxide, Peroxide, 1,1-dimethylethyl-1-methyl-1-phenylethyl, Peroxide, 1,1-dimethylethyl 1-methyl-1-phenylethyl
Direct Evaporative Cooling180 c
Half-Life: 1 hr. - T1/2°C44
% Active Oxygen (by weight)>=7.30
Half-Life: 10 hr. -T1/2°C124
% Assay / Description>=96.0% Liquid

2,5-Di(t-butylperoxy)-2,5-dimethylhexane [2]

CAS78-63-7
Synonym2,5-Di-(t-butylperoxy)-2,5-dimethylhexane, 2,5-Dimethyl-2,5-bis (t-butylperoxy) hexane, (1,1,4,4-Tetramethyl-1,4-butanediyl) bis ((1,1-dimethylethyl) peroxide), Peroxide, 1,1'-(1,1,4,4-tetramethyl-1,4-butanediyl)bis[2-(1,1-dimethylethyl)
Density0.85
Half-Life: 10 hr. -T1/2°C120
% Active Oxygen (by weight)4.96-5.29
% Assay / Description45-48% Solid on Inert Filler, Powder
Half-Life: 1 hr. - T1/2°C140
Insolubilityin water
Refractive Index1.4230
Molecular weight290.50
Colorcolorless liquid
Flash Point85 c
Solubilityalcohol, many org. solvs.
Boiling Point50-52 c

2,5-Di(t-butylperoxy)-2,5-dimethylhexane [3]

CAS78-63-7
Synonym2,5-Di-(t-butylperoxy)-2,5-dimethylhexane, 2,5-Dimethyl-2,5-bis (t-butylperoxy) hexane, (1,1,4,4-Tetramethyl-1,4-butanediyl) bis ((1,1-dimethylethyl) peroxide), Peroxide, 1,1'-(1,1,4,4-tetramethyl-1,4-butanediyl)bis[2-(1,1-dimethylethyl)
Density0.85
% Assay / Description42.5-45.5% with Solid Inert Filler and Scorch-Reducing Additives, Powder
Half-Life: 10 hr. -T1/2°C120
Half-Life: 1 hr. - T1/2°C140
% Active Oxygen (by weight)4.68-5.01
Insolubilityin water
Refractive Index1.4230
Molecular weight290.50
Colorcolorless liquid
Flash Point85 c
Solubilityalcohol, many org. solvs.
Boiling Point50-52 c

Dicumyl Peroxide [4]

CAS80-43-3
SynonymActive dicumyl peroxide, Bis (a,a-dimethylbenzyl) peroxide, Bis(1-methyl-1-phenylethyl) peroxide, Cumene peroxide, Cumyl peroxide Di-a-cumyl peroxide, Diisopropylbenzene peroxide, Isopropylbenzene peroxide, Peroxide, bis(1-methyl-1-phenylethyl)
Half-Life: 10 hr. -T1/2°C117
Half-Life: 1 hr. - T1/2°C137
% Assay / Description39.5-41.5% Solid with EPR, Pellets
% Active Oxygen (by weight)2.34-2.46
Insolubilityin water
Melting Point39-41 c
Molecular weight270.4
Flash Point235 f
Solubilityacetone, aromatic solvs.

2,5-Di(t-butylperoxy)-2,5-dimethylhexane [1]

CAS78-63-7
Synonym2,5-Di-(t-butylperoxy)-2,5-dimethylhexane, 2,5-Dimethyl-2,5-bis (t-butylperoxy) hexane, (1,1,4,4-Tetramethyl-1,4-butanediyl) bis ((1,1-dimethylethyl) peroxide), Peroxide, 1,1'-(1,1,4,4-tetramethyl-1,4-butanediyl)bis[2-(1,1-dimethylethyl)
Density0.85
Half-Life: 1 hr. - T1/2°C140
% Assay / Description93-95% Liquid
Half-Life: 10 hr. -T1/2°C120
% Active Oxygen (by weight)10.25-10.47
Insolubilityin water
Refractive Index1.4230
Molecular weight290.50
Colorcolorless liquid
Flash Point85 c
Solubilityalcohol, many org. solvs.
Boiling Point50-52 c

Dicumyl Peroxide [3]

CAS80-43-3
SynonymActive dicumyl peroxide, Bis (a,a-dimethylbenzyl) peroxide, Bis(1-methyl-1-phenylethyl) peroxide, Cumene peroxide, Cumyl peroxide Di-a-cumyl peroxide, Diisopropylbenzene peroxide, Isopropylbenzene peroxide, Peroxide, bis(1-methyl-1-phenylethyl)
Half-Life: 10 hr. -T1/2°C117
% Assay / Description39.5-41.5% Solid with Kaoliln Clay, Powder
Half-Life: 1 hr. - T1/2°C137
% Active Oxygen (by weight)2.34-2.46
Insolubilityin water
Melting Point39-41 c
Molecular weight270.4
Flash Point235 f
Solubilityacetone, aromatic solvs.

Dicumyl Peroxide [2]

CAS80-43-3
SynonymActive dicumyl peroxide, Bis (a,a-dimethylbenzyl) peroxide, Bis(1-methyl-1-phenylethyl) peroxide, Cumene peroxide, Cumyl peroxide Di-a-cumyl peroxide, Diisopropylbenzene peroxide, Isopropylbenzene peroxide, Peroxide, bis(1-methyl-1-phenylethyl)
Half-Life: 10 hr. -T1/2°C117
% Active Oxygen (by weight)2.34-2.46
% Assay / Description39.5-41.5% Solid with Inert Filler, Powder
Half-Life: 1 hr. - T1/2°C137
Insolubilityin water
Melting Point39-41 c
Molecular weight270.4
Flash Point235 f
Solubilityacetone, aromatic solvs.

Dicumyl Peroxide [1]

CAS80-43-3
SynonymActive dicumyl peroxide, Bis (a,a-dimethylbenzyl) peroxide, Bis(1-methyl-1-phenylethyl) peroxide, Cumene peroxide, Cumyl peroxide Di-a-cumyl peroxide, Diisopropylbenzene peroxide, Isopropylbenzene peroxide, Peroxide, bis(1-methyl-1-phenylethyl)
Half-Life: 10 hr. -T1/2°C117
Half-Life: 1 hr. - T1/2°C137
% Active Oxygen (by weight)>=5.86
% Assay / Description>=99.0% Crystal
Insolubilityin water
Melting Point39-41 c
Molecular weight270.4
Flash Point235 f
Solubilityacetone, aromatic solvs.

Benzoyl Peroxide [8]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
Half-Life: 10 hr. -T1/2°C73
Half-Life: 1 hr. - T1/2°C92
% Active Oxygen (by weight)3.30-3.44
% Assay / Description50-20% Paste with Tricresyl Phosphate
Odorfaint odor of benzaldehyde
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Benzoyl Peroxide [9]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
% Active Oxygen (by weight)2.31-2.44
% Assay / Description35-37% Powder, Blend with Inorganic Phosphates
Half-Life: 1 hr. - T1/2°C92
Half-Life: 10 hr. -T1/2°C73
Odorfaint odor of benzaldehyde
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Benzoyl Peroxide [7]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
Half-Life: 10 hr. -T1/2°C73
Half-Life: 1 hr. - T1/2°C92
% Assay / Description55-58% Paste with Plasticizer
% Active Oxygen (by weight)3.63-3.83
Odorfaint odor of benzaldehyde
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Benzoyl Peroxide [6]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
Odorfaint odor of benzaldehyde
Half-Life: 10 hr. -T1/2°C73
Half-Life: 1 hr. - T1/2°C92
% Active Oxygen (by weight)3.56-3.73
% Assay / Description54-56.5% Paste
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Benzoyl Peroxide [5]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
Half-Life: 10 hr. -T1/2°C73
Half-Life: 1 hr. - T1/2°C92
% Assay / Description40-42% Pourable Paste
% Active Oxygen (by weight)2.64-2.77
Odorfaint odor of benzaldehyde
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Benzoyl Peroxide [4]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
Half-Life: 10 hr. -T1/2°C73
Half-Life: 1 hr. - T1/2°C92
% Assay / Description73-77% Fine Particle Granular Wet Solid, USP Grade
% Active Oxygen (by weight)4.82-5.09
Odorfaint odor of benzaldehyde
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Benzoyl Peroxide [3]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
Half-Life: 10 hr. -T1/2°C73
Half-Life: 1 hr. - T1/2°C92
% Active Oxygen (by weight)4.36-4.76
% Assay / Description66-72% Granular Wet Solid, USP Grade
Odorfaint odor of benzaldehyde
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Benzoyl Peroxide [2]

CAS94-36-0
SynonymAcetoxyl, Benzoic acid peroxide, Benzoperoxide, Benzoyl superoxide, BP BPO, Dibenzoyl peroxide, Peroxide, dibenzoyl, Dibenzoyl peroxide
Density1.3340
Slightly Solublein alcohols, veg. oils, water
Half-Life: 1 hr. - T1/2°C92
% Assay / Description73-77% Granular Wet Solid
Half-Life: 10 hr. -T1/2°C73
% Active Oxygen (by weight)4.82-5.08
Odorfaint odor of benzaldehyde
Melting Point103-105 c
Molecular weight242.23
Colorcolorless to white crystal or granulated powder
Flash Point(cc) 80 c
Solubilitynearly all org. solvs. incl. benzene, chloroform, ether
Boiling Pointdec.

Succinic Acid Peroxide

CAS123-23-9
FormulaC8H10O8
SynonymBis (3-carboxypropionyl) peroxide, 3,3-(Dioxydicarbonyl) dipropionic acid, Disuccinic acid peroxide, Monoperoxysuccinic acid, Peroxy disuccinic acid Succinic peroxide, Succinyl peroxide, Butanoic acid, 4,4'-dioxybis[4-oxo-
Moderately Solublein water
Half-Life: 10 hr. -T1/2°C66
% Assay / Description58-71% Frozen, Wet Solid
Half-Life: 1 hr. - T1/2°C90
% Active Oxygen (by weight)3.96-4.85
Odorwh. fine powd., odorless, tart taste
Insolubilityin petroleum solvs., benzene
Melting Point125 c (dec.)
Molecular weight234.18

Decanoyl Peroxide

CAS762-12-9
FormulaC20H38O4
SynonymDidecanoyl peroxide, Peroxide, bis(1-oxodecyl)
Insolubilityin water, alcohol
Melting Point38-42 c (dec.)
Molecular weight342.5
Solubilityether, benzene

Lauroyl Peroxide

CAS105-74-8
FormulaC24H46O4
Synonymalperoxc, bis(1-oxododecyl)-peroxid, Dilauroylperoxide,AlperoxC, dilaurylperoxide, dodecanoyl, dyp-97f, laurox, lauroyl, Dilauroyl peroxide, 4-02-00-01102 (Beilstein Handbook Reference), Alperox C, BRN 1804936, CCRIS 2455, Dilauroyl peroxide, Dilauryl perox
Direct Evaporative Coolingon heating with release of oxygen
% Assay / Description>=98.0% Flaked - Lump-Free Solid
Half-Life: 10 hr. -T1/2°C64
% Active Oxygen (by weight)>=3.95
Half-Life: 1 hr. - T1/2°C81
Odorwh. coarse powd., faint odor, tasteless
Insolubilityin water
Melting Point53-55 c
Molecular weight398.70
Solubilityoil, most org. solvs., alcohols
SMILESC(OOC(CCCCCCCCCCC)=O)(CCCCCCCCCCC)=O
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