Chemical Properties of 2-Butanamine, N-(1-methylpropyl)- (CAS 626-23-3)

InChI

InChI=1S/C8H19N/c1-5-7(3)9-8(4)6-2/h7-9H,5-6H2,1-4H3

InChI Key

OBYVIBDTOCAXSN-UHFFFAOYSA-N

Formula

C8H19N

SMILES

CCC(C)NC(C)CC

Molecular Weight¹

129.24

CAS

626-23-3

Other Names

• (sec-C4H9)2NH
• 1-Propanamine, 1-methyl, N-(1-methylpropyl)
• Bis(1-methylpropyl)amine
• Di-sec-butylamine
• Di-sec.-butylamine
• MPBA
• N-(1-Methylpropyl)-2-butanamine

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_liquid : Liquid phase 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).
• 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).
• 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
PAff	980.70	kJ/mol	NIST
BasG	947.50	kJ/mol	NIST
ΔcH°liquid	-5635.80 ± 2.30	kJ/mol	NIST
ΔfG°	100.99	kJ/mol	Joback Calculated Property
ΔfH°gas	-183.60 ± 3.00	kJ/mol	NIST
ΔfH°liquid	-227.70 ± 2.60	kJ/mol	NIST
ΔfusH°	14.53	kJ/mol	Joback Calculated Property
ΔvapH°	[41.30; 44.10]	kJ/mol
ΔvapH°	44.10 ± 1.50	kJ/mol	NIST
ΔvapH°	44.10	kJ/mol	NIST
ΔvapH°	41.30 ± 0.30	kJ/mol	NIST
IE	7.60	eV	NIST
log10WS	-2.58		Crippen Calculated Property
logPoct/wat	2.173		Crippen Calculated Property
McVol	133.560	ml/mol	McGowan Calculated Property
Pc	2611.07	kPa	Joback Calculated Property
Inp	[837.00; 837.00]
Inp	837.00		NIST
Inp	837.00		NIST
Tboil	431.73	K	Joback Calculated Property
Tc	607.62	K	Joback Calculated Property
Tfus	202.58	K	Joback Calculated Property
Vc	0.506	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[279.42; 357.44]	J/mol×K	[431.73; 607.62]
Cp,gas	279.42	J/mol×K	431.73	Joback Calculated Property
Cp,gas	293.82	J/mol×K	461.04	Joback Calculated Property
Cp,gas	307.65	J/mol×K	490.36	Joback Calculated Property
Cp,gas	320.91	J/mol×K	519.67	Joback Calculated Property
Cp,gas	333.62	J/mol×K	548.99	Joback Calculated Property
Cp,gas	345.79	J/mol×K	578.30	Joback Calculated Property
Cp,gas	357.44	J/mol×K	607.62	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[307.72; 464.87]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.34117e+01
Coefficient B			-3.32541e+03
Coefficient C			-5.43380e+01
Temperature range, min.			307.72
Temperature range, max.			464.87
Pvap	1.33	kPa	307.72	Calculated Property
Pvap	3.11	kPa	325.18	Calculated Property
Pvap	6.54	kPa	342.64	Calculated Property
Pvap	12.63	kPa	360.10	Calculated Property
Pvap	22.73	kPa	377.56	Calculated Property
Pvap	38.51	kPa	395.03	Calculated Property
Pvap	61.97	kPa	412.49	Calculated Property
Pvap	95.42	kPa	429.95	Calculated Property
Pvap	141.40	kPa	447.41	Calculated Property
Pvap	202.64	kPa	464.87	Calculated Property

Similar Compounds

Find more compounds similar to 2-Butanamine, N-(1-methylpropyl)-.

Sources

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

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