Chemical Properties of Dicumyl peroxide (CAS 80-43-3)

InChI

InChI=1S/C18H22O2/c1-17(2,15-11-7-5-8-12-15)19-20-18(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3

InChI Key

XMNIXWIUMCBBBL-UHFFFAOYSA-N

Formula

C18H22O2

SMILES

CC(C)(OOC(C)(C)c1ccccc1)c1ccccc1

Molecular Weight¹

270.37

CAS

80-43-3

Other Names

• Active dicumyl peroxide
• Bis(1-methyl-1-phenylethyl) peroxide
• Bis(2-phenyl-2-propyl) peroxide
• Bis(«alpha»,«alpha»-dimethylbenzyl) peroxide
• Cumene peroxide
• Cumyl peroxide
• Di-Cup
• Di-Cup 40C
• Di-Cup T
• Di-cup 40haf
• Di-cupr
• Di-«alpha»-cumyl peroxide
• DiCup 40KE
• Dicumene hydroperoxide
• Dicumenyl peroxide
• Diisopropylbenzene peroxide
• Isopropylbenzene peroxide
• Kayacumyl D
• Luperco
• Luperco 500-40C
• Luperco 500-40KE
• Luperox
• Luperox 500
• Luperox 500R
• Luperox 500T
• NSC 56772
• Percumyl D
• Percumyl D 40
• Perkadox B
• Perkadox BC
• Perkadox BC 40
• Perkadox BC 9
• Perkadox BC 95
• Perkadox SB
• Peroxide, bis(1-methyl-1-phenylethyl)
• Peroxide, bis(«alpha»,«alpha»-dimethylbenzyl)
• Peroximon DC-40
• Varox dcp-R
• Varox dcp-T
• «alpha»,«alpha»'-Dicumyl peroxide
• «alpha»-Cumyl peroxide

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Critical Volume, Standard Gibbs free energy of formation for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[639.73; 734.97]	J/mol×K	[702.98; 943.96]
Cp,gas	639.73	J/mol×K	702.98	Joback Calculated Property
Cp,gas	659.23	J/mol×K	743.14	Joback Calculated Property
Cp,gas	677.14	J/mol×K	783.31	Joback Calculated Property
Cp,gas	693.55	J/mol×K	823.47	Joback Calculated Property
Cp,gas	708.59	J/mol×K	863.63	Joback Calculated Property
Cp,gas	722.36	J/mol×K	903.80	Joback Calculated Property
Cp,gas	734.97	J/mol×K	943.96	Joback Calculated Property
η	[0.0000526; 0.0011758]	Pa×s	[394.76; 702.98]
η	0.0011758	Pa×s	394.76	Joback Calculated Property
η	0.0005199	Pa×s	446.13	Joback Calculated Property
η	0.0002721	Pa×s	497.50	Joback Calculated Property
η	0.0001608	Pa×s	548.87	Joback Calculated Property
η	0.0001039	Pa×s	600.24	Joback Calculated Property
η	0.0000720	Pa×s	651.61	Joback Calculated Property
η	0.0000526	Pa×s	702.98	Joback Calculated Property
ΔfusH	28.14	kJ/mol	312.40	NIST

Similar Compounds

Find more compounds similar to Dicumyl peroxide.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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