Chemical Properties of Urea, heptyl-

InChI

InChI=1S/C8H18N2O/c1-2-3-4-5-6-7-10-8(9)11/h2-7H2,1H3,(H3,9,10,11)

InChI Key

LDNJCDRFTFLQLF-UHFFFAOYSA-N

Formula

C8H18N2O

SMILES

CCCCCCCNC(N)=O

Molecular Weight¹

158.25

Other Names

• Heptylurea
• Urea, n-heptyl-
• 1-Heptyl urea

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• 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, Acentric Factor 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	[362.26; 431.15]	J/mol×K	[559.21; 748.07]
Cp,gas	362.26	J/mol×K	559.21	Joback Calculated Property
Cp,gas	375.23	J/mol×K	590.69	Joback Calculated Property
Cp,gas	387.59	J/mol×K	622.16	Joback Calculated Property
Cp,gas	399.34	J/mol×K	653.64	Joback Calculated Property
Cp,gas	410.50	J/mol×K	685.12	Joback Calculated Property
Cp,gas	421.10	J/mol×K	716.60	Joback Calculated Property
Cp,gas	431.15	J/mol×K	748.07	Joback Calculated Property
ΔfusH	[26.30; 29.00]	kJ/mol	[382.20; 386.10]
ΔfusH	26.30	kJ/mol	382.20	NIST
ΔfusH	29.00	kJ/mol	386.10	NIST

Similar Compounds

Find more compounds similar to Urea, heptyl-.

Sources

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

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