Chemical Properties of 2-Butene (CAS 107-01-7)

InChI

InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3

InChI Key

IAQRGUVFOMOMEM-UHFFFAOYSA-N

Formula

C4H8

SMILES

CC=CC

Molecular Weight¹

56.11

CAS

107-01-7

Other Names

• But-2-ene
• CH3CH=CHCH3
• Pseudobutylene
• «beta»-Butene
• «beta»-Butylene
• «beta»-Butene
• «beta»-Butylene

• 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).
• 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.
• 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°	63.02	kJ/mol	Joback Calculated Property
ΔfH°gas	-8.67	kJ/mol	Joback Calculated Property
ΔfusH°	6.32	kJ/mol	Joback Calculated Property
ΔvapH°	24.46	kJ/mol	Joback Calculated Property
IE	9.13	eV	NIST
log10WS	-1.35		Crippen Calculated Property
logPoct/wat	1.582		Crippen Calculated Property
McVol	62.920	ml/mol	McGowan Calculated Property
Pc	4162.33	kPa	Joback Calculated Property
Inp	[406.00; 411.00]
Inp	406.00		NIST
Inp	406.00		NIST
Inp	411.00		NIST
I	674.00		NIST
Tboil	295.08	K	Joback Calculated Property
Tc	466.02	K	Joback Calculated Property
Tfus	129.76	K	Joback Calculated Property
Vc	0.239	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[82.22; 121.46]	J/mol×K	[295.08; 466.02]
Cp,gas	82.22	J/mol×K	295.08	Joback Calculated Property
Cp,gas	89.52	J/mol×K	323.57	Joback Calculated Property
Cp,gas	96.50	J/mol×K	352.06	Joback Calculated Property
Cp,gas	103.17	J/mol×K	380.55	Joback Calculated Property
Cp,gas	109.55	J/mol×K	409.04	Joback Calculated Property
Cp,gas	115.64	J/mol×K	437.53	Joback Calculated Property
Cp,gas	121.46	J/mol×K	466.02	Joback Calculated Property
η	[0.0001436; 0.0025167]	Pa×s	[129.76; 295.08]
η	0.0025167	Pa×s	129.76	Joback Calculated Property
η	0.0010280	Pa×s	157.31	Joback Calculated Property
η	0.0005483	Pa×s	184.87	Joback Calculated Property
η	0.0003443	Pa×s	212.42	Joback Calculated Property
η	0.0002406	Pa×s	239.97	Joback Calculated Property
η	0.0001810	Pa×s	267.53	Joback Calculated Property
η	0.0001436	Pa×s	295.08	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.68]	kPa	[197.90; 294.59]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.46728e+01
Coefficient B			-2.59166e+03
Coefficient C			-1.77390e+01
Temperature range, min.			197.90
Temperature range, max.			294.59
Pvap	1.33	kPa	197.90	Calculated Property
Pvap	3.00	kPa	208.64	Calculated Property
Pvap	6.17	kPa	219.39	Calculated Property
Pvap	11.83	kPa	230.13	Calculated Property
Pvap	21.29	kPa	240.87	Calculated Property
Pvap	36.29	kPa	251.62	Calculated Property
Pvap	59.04	kPa	262.36	Calculated Property
Pvap	92.20	kPa	273.10	Calculated Property
Pvap	138.89	kPa	283.85	Calculated Property
Pvap	202.68	kPa	294.59	Calculated Property

Similar Compounds

Find more compounds similar to 2-Butene.

Sources

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

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