Chemical Properties of (S)-butan-2-ol (CAS 4221-99-2)

InChI

InChI=1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3/t4-/m1/s1

InChI Key

BTANRVKWQNVYAZ-SCSAIBSYSA-N

Formula

C4H10O

SMILES

CCC(C)O

Molecular Weight¹

74.12

CAS

4221-99-2

Other Names

• (+) 2-Butanol
• 2-butanol, (R)-(-)-
• L(-)-2-butanol
• R(-)-2-butanol
• l-2-butanol
• l-sec-butyl alcohol

• 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_fusH : Enthalpy of fusion at a given temperature (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).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfG°	-156.46	kJ/mol	Joback Calculated Property
ΔfH°gas	-283.40	kJ/mol	Joback Calculated Property
ΔfusH°	6.68	kJ/mol	Joback Calculated Property
ΔvapH°	40.79	kJ/mol	Joback Calculated Property
log10WS	-0.87		Crippen Calculated Property
logPoct/wat	0.777		Crippen Calculated Property
McVol	73.090	ml/mol	McGowan Calculated Property
Pc	4432.62	kPa	Joback Calculated Property
Tboil	[372.05; 372.95]	K
Tboil	372.90 ± 0.50	K	NIST
Tboil	372.95 ± 0.50	K	NIST
Tboil	372.15 ± 1.00	K	NIST
Tboil	372.65 ± 0.30	K	NIST
Tboil	372.05 ± 0.50	K	NIST
Tc	548.34	K	Joback Calculated Property
Tfus	180.66	K	Joback Calculated Property
Ttriple	[177.38; 177.38]	K
Ttriple	177.38 ± 0.10	K	NIST
Ttriple	177.38 ± 0.02	K	NIST
Vc	0.273	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[134.27; 174.38]	J/mol×K	[382.66; 548.34]
Cp,gas	134.27	J/mol×K	382.66	Joback Calculated Property
Cp,gas	141.59	J/mol×K	410.27	Joback Calculated Property
Cp,gas	148.65	J/mol×K	437.89	Joback Calculated Property
Cp,gas	155.45	J/mol×K	465.50	Joback Calculated Property
Cp,gas	162.00	J/mol×K	493.11	Joback Calculated Property
Cp,gas	168.31	J/mol×K	520.73	Joback Calculated Property
Cp,gas	174.38	J/mol×K	548.34	Joback Calculated Property
η	[0.0003304; 0.4179525]	Pa×s	[180.66; 382.66]
η	0.4179525	Pa×s	180.66	Joback Calculated Property
η	0.0498950	Pa×s	214.33	Joback Calculated Property
η	0.0106075	Pa×s	247.99	Joback Calculated Property
η	0.0032653	Pa×s	281.66	Joback Calculated Property
η	0.0012927	Pa×s	315.33	Joback Calculated Property
η	0.0006119	Pa×s	348.99	Joback Calculated Property
η	0.0003304	Pa×s	382.66	Joback Calculated Property
ΔfusH	6.00	kJ/mol	177.40	NIST

Similar Compounds

Find more compounds similar to (S)-butan-2-ol.

Mixtures

• (S)-butan-2-ol + Benzonitrile, 2-(4-methylphenyl)-

Sources

• Crippen Method
• Crippen Method
• Solid-liquid phase equilibrium and mixing properties of 2-Cyano-4'-methylbiphenyl in pure solvents
• Joback Method
• McGowan Method
• NIST Webbook

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