Chemical Properties of 2-Amino-4-(methylthio)butyric acid (CAS 63-68-3)

InChI

InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)

InChI Key

FFEARJCKVFRZRR-SCSAIBSYSA-N

Formula

C5H11NO2S

SMILES

CSCCC(N)C(=O)O

Molecular Weight¹

149.22

CAS

63-68-3

Other Names

• (S)-2-Amino-4-(methylthio)butanoic acid
• 2-Amino-4-methylthiobutanoic acid
• 2-Amino-4-methylthiobutanoic acid (S)-
• Acimethin
• Butanoic acid, 2-amino-4-(methylthio)-, (S)-
• Butyric acid, 2-amino-4-(methylthio)-
• Cymethion
• L(-)-Amino-«gamma»-methylthiobutyric acid
• L-(-)-Methionine
• L-2-Amino-4-(methylthio)butyric acid
• L-Homocysteine, S-methyl-
• L-methionine
• L-«alpha»-Amino-«gamma»-methylmercaptobutyric acid
• L-«gamma»-Methylthio-«alpha»-aminobutyric acid
• Liquimeth
• Met
• Methionine
• Methionine, L-
• NSC 22946
• S-Methionine
• h-Met-oh
• «gamma»-Methylthio-«alpha»-aminobutyric acid

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion 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_vap : Vapor pressure (kPa).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Normal Boiling Point Temperature, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[274.83; 319.87]	J/mol×K	[600.72; 805.14]
Cp,gas	274.83	J/mol×K	600.72	Joback Calculated Property
Cp,gas	283.51	J/mol×K	634.79	Joback Calculated Property
Cp,gas	291.70	J/mol×K	668.86	Joback Calculated Property
Cp,gas	299.43	J/mol×K	702.93	Joback Calculated Property
Cp,gas	306.70	J/mol×K	737.00	Joback Calculated Property
Cp,gas	313.51	J/mol×K	771.07	Joback Calculated Property
Cp,gas	319.87	J/mol×K	805.14	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[559.55; 688.22]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			2.71590e+01
Coefficient B			-1.50359e+04
Temperature range, min.			559.55
Temperature range, max.			688.22
Pvap	1.33	kPa	559.55	Calculated Property
Pvap	2.60	kPa	573.85	Calculated Property
Pvap	4.92	kPa	588.14	Calculated Property
Pvap	9.03	kPa	602.44	Calculated Property
Pvap	16.11	kPa	616.74	Calculated Property
Pvap	27.98	kPa	631.03	Calculated Property
Pvap	47.44	kPa	645.33	Calculated Property
Pvap	78.61	kPa	659.63	Calculated Property
Pvap	127.49	kPa	673.92	Calculated Property
Pvap	202.66	kPa	688.22	Calculated Property

Similar Compounds

Find more compounds similar to 2-Amino-4-(methylthio)butyric acid.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.