Chemical Properties of Pentane, 2,2,3,3,4-pentamethyl- (CAS 16747-44-7)

InChI

InChI=1S/C10H22/c1-8(2)10(6,7)9(3,4)5/h8H,1-7H3

InChI Key

WKQBIIUOSATALN-UHFFFAOYSA-N

Formula

C10H22

SMILES

CC(C)C(C)(C)C(C)(C)C

Molecular Weight¹

142.28

CAS

16747-44-7

Other Names

• 2,2,3,3,4-Pentamethylpentane
• 2,2,3,3,4-Tetramethylpentane

• 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).
• P_vap : Vapor pressure (kPa).
• I_np : Non-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°	36.56	kJ/mol	Joback Calculated Property
ΔfH°gas	-272.51	kJ/mol	Joback Calculated Property
ΔfusH°	3.30	kJ/mol	Joback Calculated Property
ΔvapH°	45.20	kJ/mol	NIST
log10WS	-3.28		Crippen Calculated Property
logPoct/wat	3.715		Crippen Calculated Property
McVol	151.760	ml/mol	McGowan Calculated Property
Pc	2200.01	kPa	Joback Calculated Property
Inp	[949.00; 953.40]
Inp	953.00		NIST
Inp	953.40		NIST
Inp	953.10		NIST
Inp	949.40		NIST
Inp	953.00		NIST
Inp	949.00		NIST
Inp	953.00		NIST
Inp	953.00		NIST
Tboil	439.20 ± 0.10	K	NIST
Tc	609.26	K	Joback Calculated Property
Tfus	236.66 ± 0.10	K	NIST
Vc	0.568	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[318.44; 416.21]	J/mol×K	[421.30; 609.26]
Cp,gas	318.44	J/mol×K	421.30	Joback Calculated Property
Cp,gas	337.16	J/mol×K	452.63	Joback Calculated Property
Cp,gas	354.85	J/mol×K	483.95	Joback Calculated Property
Cp,gas	371.56	J/mol×K	515.28	Joback Calculated Property
Cp,gas	387.32	J/mol×K	546.61	Joback Calculated Property
Cp,gas	402.19	J/mol×K	577.94	Joback Calculated Property
Cp,gas	416.21	J/mol×K	609.26	Joback Calculated Property
η	[0.0002554; 0.0381243]	Pa×s	[192.30; 421.30]
η	0.0381243	Pa×s	192.30	Joback Calculated Property
η	0.0082957	Pa×s	230.47	Joback Calculated Property
η	0.0027843	Pa×s	268.63	Joback Calculated Property
η	0.0012262	Pa×s	306.80	Joback Calculated Property
η	0.0006474	Pa×s	344.97	Joback Calculated Property
η	0.0003882	Pa×s	383.13	Joback Calculated Property
η	0.0002554	Pa×s	421.30	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.67]	kPa	[318.00; 469.90]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.39464e+01
Coefficient B			-3.56589e+03
Coefficient C			-5.69360e+01
Temperature range, min.			318.00
Temperature range, max.			469.90
Pvap	1.33	kPa	318.00	Calculated Property
Pvap	3.06	kPa	334.88	Calculated Property
Pvap	6.37	kPa	351.76	Calculated Property
Pvap	12.26	kPa	368.63	Calculated Property
Pvap	22.06	kPa	385.51	Calculated Property
Pvap	37.49	kPa	402.39	Calculated Property
Pvap	60.64	kPa	419.27	Calculated Property
Pvap	93.97	kPa	436.14	Calculated Property
Pvap	140.28	kPa	453.02	Calculated Property
Pvap	202.67	kPa	469.90	Calculated Property

Similar Compounds

Find more compounds similar to Pentane, 2,2,3,3,4-pentamethyl-.

Sources

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

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