Chemical Properties of Butanoic acid, 3-methyl- (CAS 503-74-2)

InChI

InChI=1S/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7)

InChI Key

GWYFCOCPABKNJV-UHFFFAOYSA-N

Formula

C5H10O2

SMILES

CC(C)CC(=O)O

Molecular Weight¹

102.13

CAS

503-74-2

Other Names

• 3-Methyl-n-butyric acid
• 3-methylbutanoic acid
• 3-methylbutanoic acid (isovaleric acid)
• 3-methylbutyric acid
• Acetic acid, isopropyl-
• Butyric acid, 3-methyl-
• Isobutylformic acid
• Isovalerianic acid
• Kyselina isovalerova
• Methylbutanoic acid
• NSC 62783
• delphinic acid
• iso-C4H9COOH
• isopentanoic acid
• isopropylacetic acid
• isovaleric acid
• «beta»-Methylbutyric acid

• ω : Acentric Factor.
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• 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_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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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).
• n₀ : Refractive Index.
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I_p : 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
ω	0.6221		Relay (1.0) Calculated Property
ΔcH°liquid	-2835.10 ± 5.90	kJ/mol	NIST
μ	1.00	debye	KDB
ΔfG°	-355.13	kJ/mol	Joback Calculated Property
ΔfH°gas	-502.50 ± 6.60	kJ/mol	NIST
ΔfH°liquid	-561.60 ± 5.90	kJ/mol	NIST
ΔfusH°	15.33	kJ/mol	Joback Calculated Property
ΔvapH°	[46.91; 61.20]	kJ/mol
ΔvapH°	61.20 ± 0.30	kJ/mol	NIST
ΔvapH°	57.50 ± 3.00	kJ/mol	NIST
ΔvapH°	58.00 ± 3.00	kJ/mol	NIST
ΔvapH°	46.91 ± 0.18	kJ/mol	NIST
IE	10.51	eV	NIST
log10WS	-0.52		Relay (1.0) Calculated Property
logPoct/wat	1.117		Crippen Calculated Property
McVol	88.750	ml/mol	McGowan Calculated Property
Pc	[3400.00; 3400.00]	kPa
Pc	3400.00	kPa	KDB
Pc	3400.00 ± 25.00	kPa	NIST
Inp	[806.00; 901.80]
Inp	812.00		NIST
Inp	828.00		NIST
Inp	898.00		NIST
Inp	831.00		NIST
Inp	875.00		NIST
Inp	875.00		NIST
Inp	856.00		NIST
Inp	837.00		NIST
Inp	845.00		NIST
Inp	871.00		NIST
Inp	848.00		NIST
Inp	875.00		NIST
Inp	875.00		NIST
Inp	839.00		NIST
Inp	888.00		NIST
Inp	867.00		NIST
Inp	875.00		NIST
Inp	873.00		NIST
Inp	839.00		NIST
Inp	851.00		NIST
Inp	882.00		NIST
Inp	875.00		NIST
Inp	834.00		NIST
Inp	848.00		NIST
Inp	850.00		NIST
Inp	857.00		NIST
Inp	876.00		NIST
Inp	866.00		NIST
Inp	833.00		NIST
Inp	872.00		NIST
Inp	816.00		NIST
Inp	839.00		NIST
Inp	827.00		NIST
Inp	878.00		NIST
Inp	826.00		NIST
Inp	826.00		NIST
Inp	881.40		NIST
Inp	870.00		NIST
Inp	841.00		NIST
Inp	878.00		NIST
Inp	879.00		NIST
Inp	876.00		NIST
Inp	870.00		NIST
Inp	858.00		NIST
Inp	826.00		NIST
Inp	825.00		NIST
Inp	877.00		NIST
Inp	878.00		NIST
Inp	880.00		NIST
Inp	875.00		NIST
Inp	874.00		NIST
Inp	877.00		NIST
Inp	875.00		NIST
Inp	873.00		NIST
Inp	867.00		NIST
Inp	872.00		NIST
Inp	837.00		NIST
Inp	817.00		NIST
Inp	845.00		NIST
Inp	875.00		NIST
Inp	827.00		NIST
Inp	838.00		NIST
Inp	831.00		NIST
Inp	840.00		NIST
Inp	843.00		NIST
Inp	858.00		NIST
Inp	Outlier 901.80		NIST
Inp	864.00		NIST
Inp	834.00		NIST
Inp	836.00		NIST
Inp	888.70		NIST
Inp	878.00		NIST
Inp	855.00		NIST
Inp	873.00		NIST
Inp	878.00		NIST
Inp	820.00		NIST
Inp	830.00		NIST
Inp	828.00		NIST
Inp	835.00		NIST
Inp	Outlier 900.00		NIST
Inp	873.00		NIST
Inp	844.00		NIST
Inp	838.00		NIST
Inp	868.00		NIST
Inp	836.00		NIST
Inp	842.00		NIST
Inp	878.00		NIST
Inp	840.00		NIST
Inp	819.00		NIST
Inp	819.00		NIST
Inp	867.00		NIST
Inp	840.00		NIST
Inp	843.00		NIST
Inp	838.00		NIST
Inp	842.00		NIST
Inp	830.00		NIST
Inp	830.00		NIST
Inp	830.00		NIST
Inp	812.00		NIST
Inp	808.00		NIST
Inp	834.00		NIST
Inp	842.00		NIST
Inp	829.00		NIST
Inp	828.00		NIST
Inp	866.00		NIST
Inp	840.00		NIST
Inp	829.00		NIST
Inp	836.00		NIST
Inp	898.00		NIST
Inp	875.00		NIST
Inp	834.00		NIST
Inp	841.00		NIST
Inp	Outlier 807.00		NIST
Inp	831.00		NIST
Inp	869.00		NIST
Inp	875.00		NIST
Inp	878.00		NIST
Inp	875.00		NIST
Inp	875.00		NIST
Inp	Outlier 807.00		NIST
Inp	875.00		NIST
Inp	875.00		NIST
Inp	Outlier 806.00		NIST
Inp	898.00		NIST
Inp	841.00		NIST
Inp	841.00		NIST
Inp	856.00		NIST
Inp	833.00		NIST
Inp	839.00		NIST
Inp	876.00		NIST
Inp	869.00		NIST
Inp	837.00		NIST
Inp	869.00		NIST
Inp	898.00		NIST
Inp	876.00		NIST
Inp	845.00		NIST
Inp	898.00		NIST
Inp	848.00		NIST
Inp	812.00		NIST
Inp	842.00		NIST
Inp	871.00		NIST
Inp	861.00		NIST
Inp	845.00		NIST
Inp	877.00		NIST
Inp	843.00		NIST
Inp	848.00		NIST
Inp	851.00		NIST
Inp	851.00		NIST
Inp	860.00		NIST
Inp	858.00		NIST
Inp	839.00		NIST
Inp	833.00		NIST
Inp	878.00		NIST
Inp	841.00		NIST
Inp	858.00		NIST
Inp	880.00		NIST
Inp	873.00		NIST
Inp	867.00		NIST
Inp	843.00		NIST
Inp	834.00		NIST
Inp	835.00		NIST
Inp	868.00		NIST
Inp	840.00		NIST
Inp	830.00		NIST
Ip	[1621.00; 1715.00]
Ip	Outlier 1627.00		NIST
Ip	Outlier 1624.00		NIST
Ip	Outlier 1626.00		NIST
Ip	1666.00		NIST
Ip	1680.00		NIST
Ip	1686.00		NIST
Ip	1667.00		NIST
Ip	1666.00		NIST
Ip	1645.00		NIST
Ip	1679.00		NIST
Ip	1644.00		NIST
Ip	1657.00		NIST
Ip	1660.00		NIST
Ip	1648.00		NIST
Ip	1686.00		NIST
Ip	1687.00		NIST
Ip	1647.00		NIST
Ip	1684.00		NIST
Ip	1679.00		NIST
Ip	1664.00		NIST
Ip	1638.00		NIST
Ip	Outlier 1621.00		NIST
Ip	1651.00		NIST
Ip	1691.00		NIST
Ip	1694.00		NIST
Ip	1645.00		NIST
Ip	1676.00		NIST
Ip	1678.00		NIST
Ip	1682.00		NIST
Ip	1685.00		NIST
Ip	1675.00		NIST
Ip	1682.00		NIST
Ip	1655.00		NIST
Ip	1647.00		NIST
Ip	1660.00		NIST
Ip	1661.00		NIST
Ip	1649.00		NIST
Ip	1674.00		NIST
Ip	1653.00		NIST
Ip	1642.00		NIST
Ip	1645.00		NIST
Ip	1667.00		NIST
Ip	1677.00		NIST
Ip	1680.00		NIST
Ip	1687.00		NIST
Ip	1667.00		NIST
Ip	1677.00		NIST
Ip	1680.00		NIST
Ip	1677.00		NIST
Ip	1663.00		NIST
Ip	1664.00		NIST
Ip	1667.00		NIST
Ip	1684.00		NIST
Ip	1688.00		NIST
Ip	1682.00		NIST
Ip	1670.00		NIST
Ip	1673.00		NIST
Ip	Outlier 1715.00		NIST
Ip	1665.00		NIST
Ip	1649.00		NIST
Ip	1645.00		NIST
Ip	1643.00		NIST
Ip	1682.00		NIST
Ip	1660.00		NIST
Ip	1663.00		NIST
Ip	1683.00		NIST
Ip	1671.00		NIST
Ip	1698.00		NIST
Ip	1698.00		NIST
Ip	1698.00		NIST
Ip	1663.00		NIST
Ip	1700.00		NIST
Ip	Outlier 1706.00		NIST
Ip	1660.00		NIST
Ip	1686.00		NIST
Ip	Outlier 1705.00		NIST
Ip	1669.00		NIST
Ip	1666.00		NIST
Ip	1660.00		NIST
Ip	1659.00		NIST
Ip	1659.00		NIST
Ip	1665.00		NIST
Ip	1664.00		NIST
Ip	1652.00		NIST
Ip	1659.00		NIST
Ip	1658.00		NIST
Ip	1662.00		NIST
Ip	1670.00		NIST
Ip	1636.00		NIST
Ip	1646.00		NIST
Ip	1653.00		NIST
Ip	1676.00		NIST
Ip	1660.00		NIST
Ip	1655.00		NIST
Ip	1655.00		NIST
Ip	1645.00		NIST
Ip	1666.00		NIST
Ip	1660.00		NIST
Ip	1671.00		NIST
Ip	1651.00		NIST
Ip	1681.00		NIST
Ip	1688.00		NIST
Ip	1653.00		NIST
Ip	1667.00		NIST
Ip	1665.00		NIST
Ip	1690.00		NIST
Ip	1675.00		NIST
Ip	1675.00		NIST
Ip	1662.00		NIST
Ip	1656.00		NIST
Ip	Outlier 1630.00		NIST
Ip	1687.00		NIST
Ip	1670.00		NIST
Ip	1689.00		NIST
Ip	1690.00		NIST
Ip	1668.00		NIST
Ip	1672.00		NIST
Ip	1652.00		NIST
Ip	1700.00		NIST
Ip	1687.00		NIST
Ip	1660.00		NIST
Ip	1655.00		NIST
Ip	1686.00		NIST
Ip	1652.00		NIST
Ip	1655.00		NIST
Ip	1688.00		NIST
Ip	1679.00		NIST
Ip	1670.00		NIST
Ip	1688.00		NIST
Ip	1685.00		NIST
Ip	1689.00		NIST
Ip	1691.00		NIST
Ip	1665.00		NIST
Ip	1656.00		NIST
Ip	1690.00		NIST
Ip	1676.00		NIST
Ip	1684.00		NIST
Ip	1660.00		NIST
Ip	1688.00		NIST
Ip	1669.00		NIST
Ip	1663.00		NIST
Ip	1688.00		NIST
Ip	1652.00		NIST
Ip	1652.00		NIST
Ip	1687.00		NIST
Ip	1665.00		NIST
Ip	Outlier 1630.00		NIST
Ip	Outlier 1630.00		NIST
Ip	1654.00		NIST
Ip	1659.00		NIST
Ip	1658.00		NIST
Ip	1686.00		NIST
Ip	1680.00		NIST
Ip	1662.00		NIST
Ip	1671.00		NIST
Ip	1686.00		NIST
Ip	1657.00		NIST
Ip	1657.00		NIST
Ip	1657.00		NIST
Ip	1661.00		NIST
Ip	1661.00		NIST
Ip	1680.00		NIST
Ip	1665.00		NIST
Ip	1666.00		NIST
Ip	1669.00		NIST
Ip	1655.00		NIST
Ip	1660.00		NIST
Ip	1674.00		NIST
Ip	1665.00		NIST
Ip	1697.00		NIST
Ip	1660.00		NIST
Ip	1636.00		NIST
Ip	1678.00		NIST
Ip	1633.00		NIST
Ip	1643.00		NIST
Ip	1679.00		NIST
Ip	Outlier 1631.00		NIST
Ip	Outlier 1631.00		NIST
Ip	1665.00		NIST
Ip	1673.00		NIST
Ip	Outlier 1631.00		NIST
Ip	1660.00		NIST
Ip	1650.00		NIST
Ip	1680.00		NIST
Ip	1684.00		NIST
Ip	1659.00		NIST
Ip	1667.00		NIST
Ip	1684.00		NIST
Ip	1674.00		NIST
Ip	1667.00		NIST
Ip	1692.00		NIST
Ip	1675.00		NIST
Ip	1673.00		NIST
Ip	1675.00		NIST
Ip	1662.00		NIST
Ip	1662.00		NIST
Ip	1670.00		NIST
Ip	1672.00		NIST
Ip	1646.00		NIST
Ip	1667.00		NIST
Ip	1668.00		NIST
Ip	1655.00		NIST
Ip	1703.00		NIST
Ip	1660.00		NIST
Ip	1661.00		NIST
Ip	1680.00		NIST
Ip	1662.00		NIST
Ip	1661.00		NIST
Ip	1672.00		NIST
Ip	1662.00		NIST
Ip	1680.00		NIST
Ip	1680.00		NIST
Ip	Outlier 1707.00		NIST
Ip	1703.00		NIST
Ip	1682.00		NIST
Ip	1639.00		NIST
Ip	1671.00		NIST
Ip	1639.00		NIST
Ip	1645.00		NIST
Ip	1685.00		NIST
Ip	1660.00		NIST
Ip	1660.00		NIST
Ip	1661.00		NIST
Ip	1673.00		NIST
Ip	1687.00		NIST
Ip	1669.00		NIST
Ip	1678.00		NIST
Ip	1666.00		NIST
Ip	1694.00		NIST
Ip	1678.00		NIST
Ip	1664.00		NIST
Ip	1665.00		NIST
Ip	1664.00		NIST
Ip	1689.00		NIST
Ip	1696.00		NIST
Ip	1660.00		NIST
Ip	1636.00		NIST
Ip	1671.00		NIST
Ip	1686.00		NIST
Ip	1647.00		NIST
Ip	1668.00		NIST
Ip	1651.00		NIST
Ip	1670.00		NIST
Ip	1657.00		NIST
Ip	1665.00		NIST
Ip	1652.00		NIST
Ip	1652.00		NIST
Ip	1657.00		NIST
Ip	1665.00		NIST
Ip	1670.00		NIST
Ip	1657.00		NIST
Ip	1665.00		NIST
Ip	1688.00		NIST
Ip	1675.00		NIST
Ip	1687.00		NIST
Ip	1672.00		NIST
Ip	1655.00		NIST
Ip	1679.00		NIST
Ip	1691.00		NIST
Ip	1684.00		NIST
Ip	Outlier 1630.00		NIST
Ip	1686.00		NIST
Ip	1657.00		NIST
Ip	1680.00		NIST
Ip	1660.00		NIST
Ip	1636.00		NIST
Ip	Outlier 1631.00		NIST
Ip	1666.00		NIST
Ip	1674.00		NIST
Ip	1646.00		NIST
Ip	1703.00		NIST
Ip	1645.00		NIST
Ip	1673.00		NIST
Ip	1694.00		NIST
Ip	1689.00		NIST
Ip	1665.00		NIST
Ip	1682.00		NIST
Ip	1698.00		NIST
Ip	Outlier 1706.00		NIST
Ip	1664.00		NIST
Ip	1670.00		NIST
Ip	Outlier 1627.00		NIST
Ip	1685.00		NIST
Ip	1642.00		NIST
Ip	1663.00		NIST
Ip	1649.00		NIST
Tboil	[444.65; 450.15]	K
Tboil	449.70	K	KDB
Tboil	449.70	K	NIST
Tboil	449.85 ± 0.50	K	NIST
Tboil	448.90 ± 2.00	K	NIST
Tboil	449.85 ± 1.00	K	NIST
Tboil	447.15 ± 2.00	K	NIST
Tboil	450.15 ± 1.00	K	NIST
Tboil	449.40 ± 0.50	K	NIST
Tboil	449.65 ± 1.00	K	NIST
Tboil	449.70 ± 0.60	K	NIST
Tboil	Outlier 445.15 ± 3.00	K	NIST
Tboil	449.65 ± 0.30	K	NIST
Tboil	448.45 ± 1.50	K	NIST
Tboil	449.65 ± 0.20	K	NIST
Tboil	447.15 ± 3.00	K	NIST
Tboil	447.65 ± 3.00	K	NIST
Tboil	449.30 ± 1.00	K	NIST
Tboil	449.15 ± 2.00	K	NIST
Tboil	449.85 ± 0.50	K	NIST
Tboil	448.15 ± 3.00	K	NIST
Tboil	449.15 ± 2.00	K	NIST
Tboil	Outlier 444.65 ± 4.00	K	NIST
Tboil	446.85 ± 3.00	K	NIST
Tboil	446.40 ± 1.50	K	NIST
Tboil	448.15 ± 3.00	K	NIST
Tc	[629.00; 633.83]	K
Tc	629.00	K	KDB
Tc	629.00 ± 1.00	K	NIST
Tc	633.83 ± 6.00	K	NIST
Tfus	[235.15; 243.85]	K
Tfus	243.80	K	KDB
Tfus	243.85 ± 0.40	K	NIST
Tfus	243.00 ± 2.00	K	NIST
Tfus	243.15 ± 0.40	K	NIST
Tfus	235.15 ± 0.50	K	NIST
Vc	0.324	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	197.10	J/mol×K	298.00	NIST
ΔvapH	[45.90; 60.70]	kJ/mol	[308.00; 422.00]
ΔvapH	60.70 ± 0.30	kJ/mol	308.00	NIST
ΔvapH	45.90	kJ/mol	368.50	NIST
ΔvapH	56.60	kJ/mol	377.50	NIST
ΔvapH	55.80	kJ/mol	414.00	NIST
ΔvapH	53.80	kJ/mol	422.00	NIST
Pvap	[14.56; 100.08]	kPa	[396.05; 447.92]
Pvap	14.56	kPa	396.05	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	19.59	kPa	402.90	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	29.65	kPa	412.87	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	39.72	kPa	420.70	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	49.78	kPa	427.18	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	59.86	kPa	432.62	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	69.92	kPa	437.44	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	79.99	kPa	441.60	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	90.07	kPa	445.16	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	95.10	kPa	446.60	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
Pvap	100.08	kPa	447.92	Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
n0	[1.39970; 1.39970]		[303.15; 303.15]
n0	1.39970		303.15	Liquid liquid equilibria measurements of ternary systems (acetonitrile + a carboxylic acid + dodecane) at 303.15 K
n0	1.39970		303.15	Phase equilibria measurements of ternary mixtures (sulfolane + a carboxylic acid + pentane) at 303.15 K
ρl	[921.34; 925.00]	kg/m3	[293.00; 298.20]
ρl	925.00	kg/m3	293.00	KDB
ρl	921.34	kg/m3	298.20	Optimization and modeling of extraction equilibria of the type 2 ternary systems containing (water + isovaleric acid + solvent)

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[124.86; 288.60]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			1.26100e+00
Coefficient B			5.35540e-01
Coefficient C			-3.24000e-04
Coefficient D			7.58000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	124.86	J/mol×K	273.00	Calculated Property
Cp,gas	153.53	J/mol×K	353.78	Calculated Property
Cp,gas	179.02	J/mol×K	434.56	Calculated Property
Cp,gas	201.57	J/mol×K	515.33	Calculated Property
Cp,gas	221.43	J/mol×K	596.11	Calculated Property
Cp,gas	238.82	J/mol×K	676.89	Calculated Property
Cp,gas	254.00	J/mol×K	757.67	Calculated Property
Cp,gas	267.19	J/mol×K	838.44	Calculated Property
Cp,gas	278.65	J/mol×K	919.22	Calculated Property
Cp,gas	288.60	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0064994; 0.0003334]	Pa×s	[241.79; 441.43]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.16037e+01
Coefficient B			1.58800e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			241.79
Temperature range, max.			441.43
η	0.0064994	Pa×s	241.79	Calculated Property
η	0.0037428	Pa×s	263.97	Calculated Property
η	0.0023478	Pa×s	286.15	Calculated Property
η	0.0015750	Pa×s	308.34	Calculated Property
η	0.0011147	Pa×s	330.52	Calculated Property
η	0.0008240	Pa×s	352.70	Calculated Property
η	0.0006313	Pa×s	374.88	Calculated Property
η	0.0004983	Pa×s	397.06	Calculated Property
η	0.0004032	Pa×s	419.25	Calculated Property
η	0.0003334	Pa×s	441.43	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[342.61; 472.92]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.58362e+01
Coefficient B			-4.24459e+03
Coefficient C			-6.96200e+01
Temperature range, min.			342.61
Temperature range, max.			472.92
Pvap	1.33	kPa	342.61	Calculated Property
Pvap	2.92	kPa	357.09	Calculated Property
Pvap	5.92	kPa	371.57	Calculated Property
Pvap	11.27	kPa	386.05	Calculated Property
Pvap	20.27	kPa	400.53	Calculated Property
Pvap	34.70	kPa	415.00	Calculated Property
Pvap	56.89	kPa	429.48	Calculated Property
Pvap	89.78	kPa	443.96	Calculated Property
Pvap	136.94	kPa	458.44	Calculated Property
Pvap	202.65	kPa	472.92	Calculated Property
Pvap	[2.30e-04; 3744.47]	kPa	[243.85; 634.00]	KDB Vapor Pressure Data
Equation			ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K
Coefficient A			8.32738e+01
Coefficient B			-9.82508e+03
Coefficient C			-9.36761e+00
Coefficient D			2.21795e-06
Coefficient E			0.00000e+00
Temperature range, min.			243.85
Temperature range, max.			634.00
Pvap	2.30e-04	kPa	243.85	Calculated Property
Pvap	0.02	kPa	287.20	Calculated Property
Pvap	0.58	kPa	330.55	Calculated Property
Pvap	6.13	kPa	373.90	Calculated Property
Pvap	36.29	kPa	417.25	Calculated Property
Pvap	143.47	kPa	460.60	Calculated Property
Pvap	424.61	kPa	503.95	Calculated Property
Pvap	1015.83	kPa	547.30	Calculated Property
Pvap	2072.21	kPa	590.65	Calculated Property
Pvap	3744.47	kPa	634.00	Calculated Property
Pvap	[2.81; 7.03]	kPa	[359.80; 377.30]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			3.99303e+00
Coefficient B			-1.15525e+02
Coefficient C			-3.20762e+02
Reference			Kahlbaum, 1894, 2
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			359.80
Temperature range, max.			377.30
Pvap	2.81	kPa	359.80	Calculated Property
Pvap	3.24	kPa	361.74	Calculated Property
Pvap	3.68	kPa	363.69	Calculated Property
Pvap	4.13	kPa	365.63	Calculated Property
Pvap	4.60	kPa	367.58	Calculated Property
Pvap	5.07	kPa	369.52	Calculated Property
Pvap	5.55	kPa	371.47	Calculated Property
Pvap	6.04	kPa	373.41	Calculated Property
Pvap	6.53	kPa	375.36	Calculated Property
Pvap	7.03	kPa	377.30	Calculated Property
Pvap	[2.81; 7.03]	kPa	[359.80; 377.30]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			3.99303e+00
Coefficient B			-1.15525e+02
Coefficient C			-3.20762e+02
Reference			Kahlbaum, 1894
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			359.80
Temperature range, max.			377.30
Pvap	2.81	kPa	359.80	Calculated Property
Pvap	3.24	kPa	361.74	Calculated Property
Pvap	3.68	kPa	363.69	Calculated Property
Pvap	4.13	kPa	365.63	Calculated Property
Pvap	4.60	kPa	367.58	Calculated Property
Pvap	5.07	kPa	369.52	Calculated Property
Pvap	5.55	kPa	371.47	Calculated Property
Pvap	6.04	kPa	373.41	Calculated Property
Pvap	6.53	kPa	375.36	Calculated Property
Pvap	7.03	kPa	377.30	Calculated Property

Similar Compounds

Find more compounds similar to Butanoic acid, 3-methyl-.

Mixtures

• Butanoic acid, 3-methyl- + Heptane + Thiophene, tetrahydro-, 1,1-dioxide
• Butanoic acid, 3-methyl- + Pentane + Thiophene, tetrahydro-, 1,1-dioxide
• Acetonitrile + Dodecane + Butanoic acid, 3-methyl-
• Benzene, chloro- + Butanoic acid, 3-methyl- + Water
• Butanoic acid, 3-methyl- + Benzene, 1,1'-[oxybis(methylene)]bis- + Water
• Benzenemethanol, «alpha»-methyl- + Butanoic acid, 3-methyl- + Water
• Cyclohexanol + Butanoic acid, 3-methyl- + Water
• Butanoic acid, 3-methyl- + 1-Decanol + Water
• Butanoic acid, 3-methyl- + Water

Sources

• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Liquid liquid equilibria measurements of ternary systems (acetonitrile + a carboxylic acid + dodecane) at 303.15 K
• Phase equilibria measurements of ternary mixtures (sulfolane + a carboxylic acid + pentane) at 303.15 K
• Optimization and modeling of extraction equilibria of the type 2 ternary systems containing (water + isovaleric acid + solvent)
• (Liquid + liquid) equilibria measurements for ternary systems (sulfolane + a carboxylic acid + n-heptane) at T = 303.15 K and at 0.1 MPa
• Subatmospheric Vapor Pressure Curves for Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid, Hexanoic Acid, and Heptanoic Acid
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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