Chemical Properties of Heptacene (CAS 258-38-8)

InChI

InChI=1S/C30H18/c1-2-6-20-10-24-14-28-18-30-16-26-12-22-8-4-3-7-21(22)11-25(26)15-29(30)17-27(28)13-23(24)9-19(20)5-1/h1-18H

InChI Key

KDEZIUOWTXJEJK-UHFFFAOYSA-N

Formula

C30H18

SMILES

c1ccc2cc3cc4cc5cc6cc7ccccc7cc6cc5cc4cc3cc2c1

Molecular Weight¹

378.46

CAS

258-38-8

• 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_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	[909.76; 1057.66]	J/mol×K	[1051.26; 1330.47]
Cp,gas	909.76	J/mol×K	1051.26	Joback Calculated Property
Cp,gas	929.78	J/mol×K	1097.80	Joback Calculated Property
Cp,gas	951.06	J/mol×K	1144.33	Joback Calculated Property
Cp,gas	974.05	J/mol×K	1190.87	Joback Calculated Property
Cp,gas	999.18	J/mol×K	1237.40	Joback Calculated Property
Cp,gas	1026.90	J/mol×K	1283.94	Joback Calculated Property
Cp,gas	1057.66	J/mol×K	1330.47	Joback Calculated Property
η	[0.0027786; 0.0046199]	Pa×s	[713.08; 1051.26]
η	0.0046199	Pa×s	713.08	Joback Calculated Property
η	0.0041148	Pa×s	769.44	Joback Calculated Property
η	0.0037234	Pa×s	825.81	Joback Calculated Property
η	0.0034125	Pa×s	882.17	Joback Calculated Property
η	0.0031604	Pa×s	938.53	Joback Calculated Property
η	0.0029526	Pa×s	994.90	Joback Calculated Property
η	0.0027786	Pa×s	1051.26	Joback Calculated Property

Similar Compounds

Find more compounds similar to Heptacene.

Sources

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

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