Chemical Properties of 2-Heptanol, 4-methyl- (CAS 56298-90-9)

InChI

InChI=1S/C8H18O/c1-4-5-7(2)6-8(3)9/h7-9H,4-6H2,1-3H3

InChI Key

GUHWHNUGIGOSCN-UHFFFAOYSA-N

Formula

C8H18O

SMILES

CCCC(C)CC(C)O

Molecular Weight¹

130.23

CAS

56298-90-9

Other Names

• 4-Methyl-2-heptanol

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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).
• P_vap : Vapor pressure (kPa).
• I : Polar retention indices.
• 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

Property	Value	Unit	Source
ΔfG°	-125.22	kJ/mol	Joback Calculated Property
ΔfH°gas	-371.24	kJ/mol	Joback Calculated Property
ΔfusH°	13.52	kJ/mol	Joback Calculated Property
ΔvapH°	49.31	kJ/mol	Joback Calculated Property
log10WS	-2.30		Crippen Calculated Property
logPoct/wat	2.194		Crippen Calculated Property
McVol	129.450	ml/mol	McGowan Calculated Property
Pc	2835.36	kPa	Joback Calculated Property
I	[1369.00; 1375.00]
I	1369.00		NIST
I	1375.00		NIST
Tboil	[441.15; 444.85]	K
Tboil	444.85 ± 0.50	K	NIST
Tboil	441.15 ± 3.00	K	NIST
Tc	639.93	K	Joback Calculated Property
Tfus	210.74	K	Joback Calculated Property
Vc	0.490	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[290.39; 356.45]	J/mol×K	[473.74; 639.93]
Cp,gas	290.39	J/mol×K	473.74	Joback Calculated Property
Cp,gas	302.54	J/mol×K	501.44	Joback Calculated Property
Cp,gas	314.22	J/mol×K	529.14	Joback Calculated Property
Cp,gas	325.44	J/mol×K	556.84	Joback Calculated Property
Cp,gas	336.21	J/mol×K	584.53	Joback Calculated Property
Cp,gas	346.54	J/mol×K	612.23	Joback Calculated Property
Cp,gas	356.45	J/mol×K	639.93	Joback Calculated Property
Cp,liquid	312.50	J/mol×K	298.50	NIST
η	[0.0001609; 0.3001577]	Pa×s	[210.74; 473.74]
η	0.3001577	Pa×s	210.74	Joback Calculated Property
η	0.0290327	Pa×s	254.57	Joback Calculated Property
η	0.0055777	Pa×s	298.41	Joback Calculated Property
η	0.0016351	Pa×s	342.24	Joback Calculated Property
η	0.0006333	Pa×s	386.07	Joback Calculated Property
η	0.0002977	Pa×s	429.91	Joback Calculated Property
η	0.0001609	Pa×s	473.74	Joback Calculated Property
ΔvapH	54.20	kJ/mol	398.00	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[339.58; 469.48]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.61924e+01
Coefficient B			-4.47474e+03
Coefficient C			-5.82320e+01
Temperature range, min.			339.58
Temperature range, max.			469.48
Pvap	1.33	kPa	339.58	Calculated Property
Pvap	2.90	kPa	354.01	Calculated Property
Pvap	5.86	kPa	368.45	Calculated Property
Pvap	11.12	kPa	382.88	Calculated Property
Pvap	20.00	kPa	397.31	Calculated Property
Pvap	34.28	kPa	411.75	Calculated Property
Pvap	56.32	kPa	426.18	Calculated Property
Pvap	89.13	kPa	440.61	Calculated Property
Pvap	136.42	kPa	455.05	Calculated Property
Pvap	202.66	kPa	469.48	Calculated Property

Similar Compounds

Find more compounds similar to 2-Heptanol, 4-methyl-.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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