- InChI
- InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)
- InChI Key
- FFEARJCKVFRZRR-UHFFFAOYSA-N
- Formula
- C5H11NO2S
- SMILES
- CSCCC(N)C(=O)O
- Molecular Weight1
- 149.21
- CAS
- 59-51-8
- Other Names
-
- (.+-.)-methionine
- (.+/-.)-Methionine
- .alpha.-amino-.gamma.-methylmercaptobutyric acid
- 2-Amino-4-(methylmercapto)butyric acid
- Amurex
- Banthionine
- DL-2-amino-4-(methylthio)butanoic acid
- DL-2-amino-4-(methylthio)butyric acid
- DL-CH3SCH2CH2CH(NH2)COOH
- Dyprin
- Lobamine
- Mertionin
- Methilonin
- Methionine
- Methionine dl-form
- Metion
- NSC 9241
- Pedameth
- Petameth
- Racemethionine
- Urimeth
- acimetion
- butanoic acid, 2-amino-4-(methylthio)-, DL-
- cynaron
- homocysteine, S-methyl-
- meonine
- methilanin
- methionine, DL-
- metione
- neston
- «alpha»-Amino-«gamma»-methylmercaptobutyric acid
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | -177.39 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -340.96 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 20.20 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 67.22 | kJ/mol | Joback Calculated Property |
| log10WS | -0.44 | Crippen Calculated Property | |
| logPoct/wat | 0.151 | Crippen Calculated Property | |
| McVol | 115.080 | ml/mol | McGowan Calculated Property |
| Pc | 4684.89 | kPa | Joback Calculated Property |
| S°solid,1 bar | 231.46 | J/mol×K | NIST |
| Tboil | 600.72 | K | Joback Calculated Property |
| Tc | 805.14 | K | Joback Calculated Property |
| Tfus | 359.52 | K | Joback Calculated Property |
| Vc | 0.417 | m3/kmol | Joback Calculated Property |
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 |
| Cp,solid | 290.03 | J/mol×K | 298.15 | NIST |
| ΔvapH | 134.00 | kJ/mol | 423.00 | Enthalp... |
Similar Compounds
Find more compounds similar to DL-Methionine.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Enthalpies of sublimation of L-methionine and DL-methionine: Knudsen's effusion mass spectrometric study
- Solubility and Metastable Zone Width of the Methionine Enantiomers and Their Mixtures in Water
- Joback Method
- McGowan Method
- NIST Webbook
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.