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

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

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• 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).
• 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).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

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

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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