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2,5-Dimethyl-2,5-DI-(benzoylperoxy)hexane

HCID 75796
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Basic information

CAS
2618-77-1
Standard SMILES
CC(C)(CCC(C)(C)OOC(=O)c1ccccc1)OOC(=O)c1ccccc1
InChIKey
RIPYNJLMMFGZSX-UHFFFAOYSA-N
Molecular formula
C22H26O6
Average molar mass
386.4 g/mol
Monoisotopic mass
386.17293855

Overview

This solid peroxide is particularly sensitive to temperature rises and contamination. Above a given "Control Temperature" they decompose violently. It is generally stored or transported as a mixture, with an inert solid.

Names & identifiers

Preferred name
2,5-Dimethyl-2,5-DI-(benzoylperoxy)hexane
IUPAC
(5-benzoylperoxy-2,5-dimethylhexan-2-yl) benzenecarboperoxoate
English name
2,5-Dimethyl-2,5-di(benzoylperoxy)hexane
Molecular formula
C22H26O6
Molecular weight
386.44

Names & synonyms

2,5-dimethyl-2,5-di(benzoylperoxy)hexaneEINECS 220-050-9Benzenecarboperoxoic acid, 1,1'-(1,1,4,4-tetramethyl-1,4-butanediyl) esterDTXSID5062556Benzenecarboperoxoic acid, 1,1,4,4-tetramethyl-1,4-butanediyl ester2,5-DIMETHYL-2,5-DI-(BENZOYLPEROXY)HEXANE, (TECHNICALLY PURE)2,5-DIMETHYL-2,5-DI-(BENZOYLPEROXY)HEXANE, [TECHNICALLY PURE]KAYAESTER AB2,5-dimethyl-2,5-di-(benzoylperoxy)hexaneRefChem:444518PERHEXA 25ZLUPERSOL 118
Show more names
L-118VAROX 118VAROX 230-XLVAROX DCP-40CVAROX DCP-40KE2,5-Dimethylhexane-2,5-diperbenzoate2,5-Dimethylhexan-2,5-diyldiperbenzoat2,5-dimethylhexane-2,5-diyl diperbenzoate2,5-DIMETHYLHEXANE-2,5-DI(BENZOYLPEROXY)HEXANE
LUPEROX 118DTXCID9037458USP 711Peroxybenzoic acid, 1,1,4,4-tetramethyltetramethylene esterL 1182,5-DIBENZOYLPEROXY-2,5-DIMETHYLHEXANE2,5-DIMETHYLHEXANE-2,5-DIPEROXYBENZOATE2,5-BIS(BENZOYLDIOXY)-2,5-DIMETHYLHEXANE

Properties

Computed structural properties

XLogP
5.4
Topological polar surface area
71.1 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
6
Rotatable bonds
11
Heavy atoms
28
Formal charge
0
Complexity
455

Experimental & physicochemical properties

Physical DescriptionThis solid peroxide is particularly sensitive to temperature rises and contamination. Above a given "Control Temperature" they decompose violently. It is generally stored or transported as a mixture, with an inert solid.

Physicochemical properties

Boiling point
529.9 · 529.9±33.0 °C(Predicted)
Density
1.143 · 1.143±0.06 g/cm3(Predicted)
EPA Substance Registry System
1 · Benzenecarboperoxoic acid, 1,1'-(1,1,4,4-tetramethyl-1,4-butanediyl) ester (2618-77-1)
RIDADR
3102 · 3102
TSCA
TSCA listed
HazardClass
5.2 · 5.2
PackingGroup
II

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 3 items

Danger

H241: Heating may cause a fire or explosion [Danger Self-reactive substances and mixtures; Organic peroxides]

P210, P234, P235, P240, P280, P370+P380+P375[+P378], P403, P410, P411, P420, and P501 (click each P-code to see the statement)

Hazard information

Regulatory InformationChemical: Benzenecarboperoxoic acid, 1,1,4,4-tetramethyl-1,4-butanediyl ester
DOT LabelOrganic Peroxide Explosive
Fire HazardsExcerpt from ERG Guide 146 [Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
Health HazardsExcerpt from ERG Guide 146 [Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
Reactive GroupPeroxides, Organic
Reactivity AlertsExplosive
Reactivity Profile · 1 item

Peroxides, such as 2,5-DIMETHYL-2,5-DI-(BENZOYLPEROXY)HEXANE, are good oxidizing agents. Organic compounds can ignite on contact with concentrated peroxides. Strongly reduced material such as sulfides, nitrides, and hydrides may react explosively with peroxides. There are few chemical classes that do not at least produce heat when mixed with peroxides. Many produce explosions or generate gases (toxic and nontoxic). Generally, dilute solutions of peroxides (<70%) are safe, but the presence of a catalyst (often a transition metal such as cobalt, iron, manganese, nickel, or vanadium) as an impurity may even then cause rapid decomposition, a buildup of heat, and even an explosion. Solutions of peroxides often become explosive when evaporated to dryness or near-dryness. Danger of explosion when dry. May explode from heat or contamination. May ignite combustibles (wood, paper, oil, clothing, etc.). May be ignited by heat, sparks or flames.

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationBenzenecarboperoxoic acid, 1,1'-(1,1,4,4-tetramethyl-1,4-butanediyl) ester: ACTIVE
Applications · 1 item

General Description2,5-DIMETHYL-2,5-DI(BENZOYLPEROXY)HEXANE is particularly sensitive to temperature rises and contamination. Above a given "Control Temperature" they decompose violently. 2,5-DIMETHYL-2,5-DI(BENZOYLPEROXY)HEXANE is generally stored or transported as a mixture, with an inert solid.

Related reactions

5 records
New reaction record
HRID 46462 reaction equation
HRID 46462As catalystuspto-grants-1979_11
HRID 127048 reaction equation
HRID 127048As catalystuspto-grants-1981_03
HRID 372563 reaction equation
HRID 372563As catalystuspto-grants-1978_05
HRID 971501 reaction equation
HRID 971501As catalystuspto-grants-1979_07
HRID 1654593 reaction equation
HRID 1654593As reactantuspto-grants-1995_04

Compound notes

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Database identifiers

CAS
2618-77-1
PubChem CID
75796
DTXSID
DTXSID5062556
UNII
A5SRX84PEA
EC Number
220-050-9
Nikkaji
J5.176D
Air and Water ReactionsNo rapid reaction with air. No rapid reaction with water.
Hazard Classes and CategoriesOrganic peroxides - Type B

Safety & protection

Fire FightingExcerpt from ERG Guide 146 [Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
First AidExcerpt from ERG Guide 146 [Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
Nonfire Spill ResponseExcerpt from ERG Guide 146 [Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
Isolation and EvacuationExcerpt from ERG Guide 146 [Organic Peroxides (Heat, Contamination and Friction Sensitive)]:
Personal Protective Equipment (PPE)Excerpt from ERG Guide 146 [Organic Peroxides (Heat, Contamination and Friction Sensitive)]:

Safety data

tsca
TSCA listed
ridadr
3102
hazard_class
5.2
packing_group
II