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Product name
CAS
Formula

Methyl Ethyl Ketone Peroxide mixture [3]

CAS1338-23-4
Synonym2-Butanone peroxide, Ethyl methyl ketone peroxide, MEKP, MEK peroxide, 3-(1-Methyl-2-oxopropylperoxy)-butan-2-one, 2-Butanone, peroxide
Density1.053 (204 c)
Refractive Index1.442 (20 c)
Molecular weight210.24
Colorcolorless liquid
Flash Point172 f
Boiling Point110 c

Methyl Ethyl Ketone Peroxide mixture [1]

CAS1338-23-4
Synonym2-Butanone peroxide, Ethyl methyl ketone peroxide, MEKP, MEK peroxide, 3-(1-Methyl-2-oxopropylperoxy)-butan-2-one, 2-Butanone, peroxide
Density1.053 (204 c)
Refractive Index1.442 (20 c)
Molecular weight210.24
Colorcolorless liquid
Flash Point172 f
Boiling Point110 c

Methyl Ethyl Ketone Peroxide mixture [2]

CAS1338-23-4
Synonym2-Butanone peroxide, Ethyl methyl ketone peroxide, MEKP, MEK peroxide, 3-(1-Methyl-2-oxopropylperoxy)-butan-2-one, 2-Butanone, peroxide
Density1.053 (204 c)
Refractive Index1.442 (20 c)
Molecular weight210.24
Colorcolorless liquid
Flash Point172 f
Boiling Point110 c

t-Amyl Hydroperoxide

CAS3425-61-4
FormulaC17H34O4
Synonym1,1-Dimethylpropyl hydroperoxide, t-Pentyl hydroperoxide, Hydroperoxide, 1,1-dimethylpropyl
Density0.904 (22 c)
Odorclear water-wh. liq. or gas, sharp odor
Melting Point-70 c
Molecular weight104.15
Flash Point(seta cc) 46 c
Boiling Point26 c (3 mm)
EINECS222--321-7
Assay85%
SMILESO(O)C(CC)(C)C

t-Butyl Hydroperoxide

CAS75-91-2
Synonym1,1-Dimethylethylhydroperoxide, 2-Hydroperoxy-2-methylpropane, TBHP, Hydroperoxide, 1,1-dimethylethyl
Density0.896 (204 c)
Slightly Solublein water
Very Solublein esters and alcohols
Melting Point-8 c
Refractive Index1.4007
Molecular weight90.12
Flash Point62 c
Solubilityorg. solvs.
Boiling Point35 c

Ethyl 3,3-Di-(t-amylperoxy) butyrate

CAS67567-23-1
SynonymEthyl 3,3-bis (t-amylperoxy) butyrate, Butanoic acid, 3,3-bis[(1,1-dimethylpropyl)dioxy]-, ethyl ester
Direct Evaporative Coolingon heating
Molecular weight320.43

Ethyl 3,3-DI-(t-butylperoxy)butyrate

CAS55794-20-2
SynonymButanoic acid, 3,3-bis ((1,1-dimethylethyl) dioxy)-, ethyl ester, Ethyl 3,3-bis (t-butylperoxy) butyrate, Ethyl-3,3-di-(t-butylperoxy) butyrate, Butanoic acid, 3,3-bis[(1,1-dimethylethyl)dioxy]-, ethyl ester
Molecular weight292.36

1,1-Di(t-butylperoxy)-3,3,5-trimethylcyclohexane [3]

CAS6731-36-8
FormulaC17H34O4
Synonym1,1-Bis (t-butylperoxy)-3,3,5-trimethyl cyclohexane, 3,3,5-Trimethylcyclohexylidene bis (1,1-dimethylcyclohexane ethyl) peroxide, Peroxide, 1,1'-(3,3,5-trimethylcyclohexylidene)bis[2-(1,1-dimethylethyl)
Direct Evaporative Cooling150 c
Molecular weight302.46
Specific gravity0.895
SMILESO(OC(C)(C)C)C1(OOC(C)(C)C)C[C@@H](CC(C)(C)C1)C
EINECS229-782-3
Assay %≥ 95%

n-Butyl 4,4-Di (t-butylperoxy)valerate [2]

CAS995-33-5
Synonymn-Butyl 4,4-di-(t-butylperoxy) valerate, 4,4-Di-t-butylperoxy butyl valerate, Pentanoic acid, 4,4-bis[(1,1-dimethylethyl)dioxy]-, butyl ester
Molecular weight334.46

n-Butyl 4,4-Di (t-butylperoxy)valerate [1]

CAS995-33-5
Synonymn-Butyl 4,4-di-(t-butylperoxy) valerate, 4,4-Di-t-butylperoxy butyl valerate, Pentanoic acid, 4,4-bis[(1,1-dimethylethyl)dioxy]-, butyl ester
Molecular weight334.46

1,1-Di(t-butylperoxy)-cyclohexane

CAS3006-86-8
Synonym1,1-Bis(t-butylperoxy) cyclohexane, Cyclohexylidenebis(tert-butyl)peroxide, Peroxide, 1,1'-cyclohexylidenebis[2-(1,1-dimethylethyl)
Molecular weight260.37
Specific gravity0.95
Boiling Point52-54 c (0.1 mm hg)

Peroxide Blends [2]

Synonym-
% Active Oxygen (by weight)> = 8.72
Half-Life: 10 hr. -T1/2°C120
% Assay / DescriptionLiquid Peroxide Blend
Half-Life: 1 hr. - T1/2°C140

Di(t-butyl) Peroxide

CAS110-05-4
FormulaC8H18O2
SynonymPeroxide, bis(1,1-dimethylethyl), tert-Butyl peroxide, Bis(tert-butyl) peroxide, Cadox TBP, DTBP, Trigonox B, (tert-C4H9O)2, Cadox, Di-tert-butyl peroxyde, Di-tert-butylperoxid, Perossido di butile terziario, Peroxyde de butyle tertiaire, t-Butyl peroxide
Density0.791 (2525 c)
Practically Insolublein water
Direct Evaporative Cooling190 c
Half-Life: 10 hr. -T1/2°C129
Half-Life: 1 hr. - T1/2°C149
% Assay / Description>=98.5% Liquid
% Active Oxygen (by weight)>=10.78
Odordistinctive odor
Vapor Pressure19.51 mm (20 c)
Molecular weight146.23
Flash Point(oc) 18.3 c
Solubilitystyrene, ketones, ethanol, most resin monomers, most aliphatic and aromatic hydrocarbons
Boiling Point111 c
EINECS203-733-6
SMILESC(OOC(C)(C)C)(C)(C)C

Peroxide Blends [3]

Synonym-
% Assay / Description36-38% Meltable Tan Paste
Half-Life: 10 hr. -T1/2°C119
Half-Life: 1 hr. - T1/2°C139
% Active Oxygen (by weight)3.40-3.59

1,1-Di(t-butylperoxy)-3,3,5-trimethylcyclohexane [1]

CAS6731-36-8
Synonym1,1-Bis (t-butylperoxy)-3,3,5-trimethyl cyclohexane, 3,3,5-Trimethylcyclohexylidene bis (1,1-dimethylcyclohexane ethyl) peroxide, Peroxide, 1,1'-(3,3,5-trimethylcyclohexylidene)bis[2-(1,1-dimethylethyl)
Direct Evaporative Cooling150 c
Molecular weight302.46
Specific gravity0.895

a, ?-bis (t-butylperoxy) diisopropylbenzene [7]

CAS25155-25-3
Synonyma,a-Bis (t-butylperoxy) diisopropylbenzene, Bis (t-butylperoxy) diisopropyl benzene, Bis (t-butylperoxy)-a,a-diisopropylbenzene, 1,4-Bis (t-butylperoxyisopropyl) benzene, Bis (t-butylperoxyisopropyl) benzene Bis (1-t-butylperoxy)-1-methylethyl) benzene, (Phenylene bis (1-methylethylidine)) bis(1,1-dimethylethyl) peroxide, (Phenylenediisopropylidien) bis (t-butylperoxide), Peroxide, 1,1'-[1,3(or 1,4)-phenylenebis(1-methylethylidene)]bis[2-(1,1-dimethylethyl)
Direct Evaporative Cooling180 c
% Active Oxygen (by weight)1.6-2.0
% Assay / Description20% on Polypropylene
Half-Life: 1 hr. - T1/2°C139
Half-Life: 10 hr. -T1/2°C119
Melting Point44-48 c
Molecular weight338.49

Di(t-amyl) Peroxide

CAS10508-09-5
SynonymPeroxide, bis (1,1-dimethylpropyl), Peroxide, di-t-pentyl-, Peroxide, bis(1,1-dimethylpropyl)
Half-Life: 10 hr. -T1/2°C123
% Assay / Description>=96% Liquid
% Active Oxygen (by weight)>=8.81
Half-Life: 1 hr. - T1/2°C143
Molecular weight174.3

1,1-Di(t-butylperoxy)-3,3,5-trimethylcyclohexane [2]

CAS6731-36-8
Synonym1,1-Bis (t-butylperoxy)-3,3,5-trimethyl cyclohexane, 3,3,5-Trimethylcyclohexylidene bis (1,1-dimethylcyclohexane ethyl) peroxide, Peroxide, 1,1'-(3,3,5-trimethylcyclohexylidene)bis[2-(1,1-dimethylethyl)
Direct Evaporative Cooling150 c
Molecular weight302.46
Specific gravity0.895

Peroxide Blends [1]

Synonym-
Half-Life: 10 hr. -T1/2°C121
Half-Life: 1 hr. - T1/2°C141
% Active Oxygen (by weight)6.0-6.7
% Assay / DescriptionLiquid Peroxide Blend

2,5-Di(t-butylperoxy) 2,5-dimethyl-3-hexyne

CAS1068-27-5
Synonym2,5-Di-(t-butylperoxy)-2,5-dimethylhex-3-yne, 2,5-Dimethyl-2,5-di-(t-butylperoxy) 3-hexyne, 2,5-Dimethyl-2,5-di-(t-butylperoxy) hex-3-yne, 3-Hexyne, 2,5-dimethyl-2,5-di (t-butylperoxy)-, Peroxide, 1,1'-(1,1,4,4-tetramethyl-2-butyne-1,4-diyl)bis[2-(1,1-dimethylethyl)
% Active Oxygen (by weight)5.03-5.36
% Assay / Description45-48% Solid on Inert Filler, Powder
Half-Life: 10 hr. -T1/2°C131
Half-Life: 1 hr. - T1/2°C152
Molecular weight286.4
Flash Point(seta cc) 65 c
Specific gravity0.89 (20 c)

a, ?-bis (t-butylperoxy) diisopropylbenzene [6]

CAS25155-25-3
Synonyma,a-Bis (t-butylperoxy) diisopropylbenzene, Bis (t-butylperoxy) diisopropyl benzene, Bis (t-butylperoxy)-a,a-diisopropylbenzene, 1,4-Bis (t-butylperoxyisopropyl) benzene, Bis (t-butylperoxyisopropyl) benzene Bis (1-t-butylperoxy)-1-methylethyl) benzene, (Phenylene bis (1-methylethylidine)) bis(1,1-dimethylethyl) peroxide, (Phenylenediisopropylidien) bis (t-butylperoxide), Peroxide, 1,1'-[1,3(or 1,4)-phenylenebis(1-methylethylidene)]bis[2-(1,1-dimethylethyl)
Direct Evaporative Cooling180 c
Half-Life: 10 hr. -T1/2°C119
Half-Life: 1 hr. - T1/2°C139
% Active Oxygen (by weight)2.34-2.46
% Assay / Description39.5-41.5% Solid with Kaolin Clay, smaller Particle size
Melting Point44-48 c
Molecular weight338.49

a, ?-bis (t-butylperoxy) diisopropylbenzene [5]

CAS25155-25-3
Synonyma,a-Bis (t-butylperoxy) diisopropylbenzene, Bis (t-butylperoxy) diisopropyl benzene, Bis (t-butylperoxy)-a,a-diisopropylbenzene, 1,4-Bis (t-butylperoxyisopropyl) benzene, Bis (t-butylperoxyisopropyl) benzene Bis (1-t-butylperoxy)-1-methylethyl) benzene, (Phenylene bis (1-methylethylidine)) bis(1,1-dimethylethyl) peroxide, (Phenylenediisopropylidien) bis (t-butylperoxide), Peroxide, 1,1'-[1,3(or 1,4)-phenylenebis(1-methylethylidene)]bis[2-(1,1-dimethylethyl)
Direct Evaporative Cooling180 c
Half-Life: 1 hr. - T1/2°C139
% Active Oxygen (by weight)3.59-3.97
% Assay / Description39.5-41.5% Solid with EPR, Sheets
Half-Life: 10 hr. -T1/2°C119
Melting Point44-48 c
Molecular weight338.49
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