Heptane, 2,2,4,6,6-pentamethyl- (CAS 13475-82-6)

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Physical Properties

Property	Value	Unit	Source
ω	0.4088		Relay (1.0) Calculated Property
Δ_fG°	53.40	kJ/mol	Joback Calculated Property
Δ_fH°_gas	-315.36	kJ/mol	Relay (1.0) Calculated Property
Δ_fusH°	8.48	kJ/mol	Joback Calculated Property
Δ_vapH°	[48.97; 49.00]	kJ/mol
Δ_vapH°	48.97	kJ/mol	NIST
Δ_vapH°	49.00 ± 0.20	kJ/mol	NIST
IE	9.32	eV	Relay (1.0) Calculated Property
log₁₀WS	-6.24		Relay (1.0) Calculated Property
logP_oct/wat	4.495		Crippen Calculated Property
McVol	179.940	ml/mol	McGowan Calculated Property
P_c	1851.52	kPa	Joback Calculated Property
I_np	[980.00; 1003.00]
I_np	990.00		NIST
I_np	Outlier 980.00		NIST
I_np	990.00		NIST
I_np	997.00		NIST
I_np	996.00		NIST
I_np	999.00		NIST
I_np	997.00		NIST
I_np	985.00		NIST
I_np	994.00		NIST
I_np	990.04		NIST
I_np	992.84		NIST
I_np	994.39		NIST
I_np	987.85		NIST
I_np	990.16		NIST
I_np	992.02		NIST
I_np	Outlier 1003.00		NIST
I_np	989.00		NIST
I_np	994.00		NIST
I_np	995.00		NIST
I_np	995.00		NIST
I_np	995.00		NIST
I_np	994.00		NIST
I_np	997.00		NIST
I_np	990.00		NIST
I_np	985.00		NIST
I_np	987.85		NIST
I_np	Outlier 980.00		NIST
I	[915.00; 957.00]
I	957.00		NIST
I	954.00		NIST
I	956.00		NIST
I	943.00		NIST
I	915.00		NIST
I	915.00		NIST
T_boil	[449.00; 453.00]	K
T_boil	451.10 ± 0.30	K	NIST
T_boil	450.80 ± 1.50	K	NIST
T_boil	451.00 ± 0.40	K	NIST
T_boil	451.00 ± 0.50	K	NIST
T_boil	451.50 ± 1.00	K	NIST
T_boil	450.50 ± 4.00	K	NIST
T_boil	449.00 ± 5.00	K	NIST
T_boil	453.00 ± 3.00	K	NIST
T_c	617.24	K	Relay (1.0) Calculated Property
T_fus	[203.00; 206.23]	K
T_fus	206.18 ± 0.08	K	NIST
T_fus	206.17 ± 0.07	K	NIST
T_fus	206.23 ± 0.06	K	NIST
T_fus	206.18 ± 0.06	K	NIST
T_fus	206.23 ± 0.03	K	NIST
T_fus	206.18 ± 0.08	K	NIST
T_fus	206.23 ± 0.05	K	NIST
T_fus	203.00 ± 3.00	K	NIST
T_fus	203.20 ± 3.00	K	NIST
V_c	0.668	m³/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
C_p,gas	[411.05; 516.26]	J/mol×K	[467.06; 651.57]

C_p,gas	411.05	J/mol×K	467.06	Joback Calculated Property
C_p,gas	431.10	J/mol×K	497.81	Joback Calculated Property
C_p,gas	450.08	J/mol×K	528.56	Joback Calculated Property
C_p,gas	468.04	J/mol×K	559.31	Joback Calculated Property
C_p,gas	485.02	J/mol×K	590.07	Joback Calculated Property
C_p,gas	501.08	J/mol×K	620.82	Joback Calculated Property
C_p,gas	516.26	J/mol×K	651.57	Joback Calculated Property
C_p,liquid	[350.98; 350.98]	J/mol×K	[298.15; 298.15]
C_p,liquid	350.98	J/mol×K	298.15	NIST
C_p,liquid	350.98	J/mol×K	298.15	NIST
η	[0.0002036; 0.0280272]	Pa×s	[214.84; 467.06]

η	0.0280272	Pa×s	214.84	Joback Calculated Property
η	0.0063015	Pa×s	256.88	Joback Calculated Property
η	0.0021558	Pa×s	298.91	Joback Calculated Property
η	0.0009608	Pa×s	340.95	Joback Calculated Property
η	0.0005113	Pa×s	382.99	Joback Calculated Property
η	0.0003083	Pa×s	425.02	Joback Calculated Property
η	0.0002036	Pa×s	467.06	Joback Calculated Property
ρ_l	[685.40; 775.80]	kg/m³	[253.15; 373.15]

ρ_l	775.80	kg/m³	253.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
ρ_l	748.80	kg/m³	288.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
ρ_l	745.20	kg/m³	293.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
ρ_l	745.21	kg/m³	293.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	745.50	kg/m³	293.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	737.90	kg/m³	303.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
ρ_l	738.20	kg/m³	303.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	737.93	kg/m³	303.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	730.60	kg/m³	313.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
ρ_l	730.90	kg/m³	313.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	730.61	kg/m³	313.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	723.20	kg/m³	323.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
ρ_l	723.50	kg/m³	323.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	723.26	kg/m³	323.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	715.80	kg/m³	333.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
ρ_l	716.10	kg/m³	333.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	715.86	kg/m³	333.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	708.60	kg/m³	343.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	708.42	kg/m³	343.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	700.90	kg/m³	353.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	700.70	kg/m³	353.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	693.20	kg/m³	363.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	693.10	kg/m³	363.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
ρ_l	685.50	kg/m³	373.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
ρ_l	685.40	kg/m³	373.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
c_sound,fluid	[1052.50; 1203.60]	m/s	[293.15; 333.15]

c_sound,fluid	1203.60	m/s	293.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Dodecane with 2,2,4,6,6-Pentamethylheptane or 2,2,4,4,6,8,8-Heptamethylnonane
c_sound,fluid	1164.80	m/s	303.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Dodecane with 2,2,4,6,6-Pentamethylheptane or 2,2,4,4,6,8,8-Heptamethylnonane
c_sound,fluid	1126.70	m/s	313.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Dodecane with 2,2,4,6,6-Pentamethylheptane or 2,2,4,4,6,8,8-Heptamethylnonane
c_sound,fluid	1089.30	m/s	323.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Dodecane with 2,2,4,6,6-Pentamethylheptane or 2,2,4,4,6,8,8-Heptamethylnonane
c_sound,fluid	1052.50	m/s	333.15	Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Dodecane with 2,2,4,6,6-Pentamethylheptane or 2,2,4,4,6,8,8-Heptamethylnonane

Correlations

Property	Value	Unit	Temperature (K)	Source
P_vap	[1.33; 202.64]	kPa	[332.18; 481.97]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.33897e+01
Coefficient B			-3.15580e+03
Coefficient C			-9.13150e+01
Temperature range, min.			332.18
Temperature range, max.			481.97

P_vap	1.33	kPa	332.18	Calculated Property
P_vap	3.11	kPa	348.82	Calculated Property
P_vap	6.54	kPa	365.47	Calculated Property
P_vap	12.65	kPa	382.11	Calculated Property
P_vap	22.76	kPa	398.75	Calculated Property
P_vap	38.55	kPa	415.40	Calculated Property
P_vap	62.03	kPa	432.04	Calculated Property
P_vap	95.49	kPa	448.68	Calculated Property
P_vap	141.45	kPa	465.33	Calculated Property
P_vap	202.64	kPa	481.97	Calculated Property

Similar Compounds

Cyclohexane, 1,1,3,5-tetramethyl-, trans-.

Cyclohexane, 1,1,3,5-tetramethyl-, cis-.

Tridecane, 2,2,4,10,12,12-hexamethyl-7-(3,5,5-trimethylhexyl)-.

Octadecane, 2,2,4,15,17,17-hexamethyl-7,12-bis(3,5,5-trimethylhexyl)-.

Find more compounds similar to Heptane, 2,2,4,6,6-pentamethyl-.

Mixtures

Sources

Cheméo Relay (1.0)
Crippen Method
Crippen Method
Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Hexylbenzene (1) or n-Butylbenzene (1) in 2,2,4,6,6-Pentamethylheptane (2) or 2,2,4,4,6,8,8-Heptamethylnonane (2) at 0.1 MPa
Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Direct Sugar to Hydrocarbon Diesel (DSH-76) and Binary Mixtures of N-Hexadecane and 2,2,4,6,6-Pentamethylheptane
Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of n-Dodecane with 2,2,4,6,6-Pentamethylheptane or 2,2,4,4,6,8,8-Heptamethylnonane
Density, Viscosity, Speed of Sound, Bulk Modulus, Surface Tension, and Flash Point of Binary Mixtures of 2,2,4,6,6-Pentamethylheptane and 2,2,4,4,6,8,8-Heptamethylnonane at (293.15 to 373.15) K and 0.1 MPa and Comparisons with Alcohol-to-Jet Fuel
Joback Method
KDB
McGowan Method
NIST Webbook
The Yaws Handbook of Vapor Pressure

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