Chemical Properties of L-Alanine (CAS 56-41-7)

L-Alanine

InChI
InChI=1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1
InChI Key
QNAYBMKLOCPYGJ-REOHCLBHSA-N
Formula
C3H7NO2
SMILES
C[C@H](N)C(=O)O
Molecular Weight1
89.09
CAS
56-41-7
Other Names
  • (S)-(+)-alanine
  • (S)-2-aminopropanoic acid
  • (S)-Alanine
  • .alpha.-alanine
  • 2-Aminopropanoic acid
  • 2-Aminopropanoic acid, L-
  • 2-Aminopropionic acid
  • ALPHA-ALANINE
  • ALPHA-AMINOPROPIONIC ACID
  • Ala
  • Alanine, L-
  • L-(+)-Alanine
  • L-.alpha.-aminopropionic acid
  • L-2-Aminopropionic acid
  • L-2-aminopropanoic acid
  • L-CH3CH(NH2)COOH
  • L-«alpha»-Alanine
  • L-«alpha»-Aminopropionic acid
  • NSC 206315
  • Propanoic acid, 2-amino-
  • Propanoic acid, 2-amino-, (S)-
  • Ritalanine
  • «alpha»-Alanine
  • «alpha»-Aminopropionic acid
  • Alanine
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Physical Properties

Property Value Unit Source
ω 0.6149 Relay (1.0) Calculated Property
PAff [894.50; 902.00] kJ/mol Show Hide
PAff 901.60 kJ/mol NIST
PAff 894.50 ± 0.40 kJ/mol NIST
PAff 902.00 ± 4.00 kJ/mol NIST
BasG [863.60; 867.70] kJ/mol Show Hide
BasG 867.70 kJ/mol NIST
BasG 865.40 ± 0.40 kJ/mol NIST
BasG 864.00 ± 6.30 kJ/mol NIST
BasG 863.60 ± 6.70 kJ/mol NIST
ΔcH°solid [-1634.10; -1577.00] kJ/mol Show Hide
ΔcH°solid -1621.00 ± 1.70 kJ/mol NIST
ΔcH°solid -1621.45 ± 0.48 kJ/mol NIST
ΔcH°solid -1577.00 ± 2.00 kJ/mol NIST
ΔcH°solid -1634.10 kJ/mol NIST
ΔfH°gas -414.70 ± 4.20 kJ/mol NIST
ΔfH°solid [-562.70; -559.48] kJ/mol Show Hide
ΔfH°solid -560.00 ± 1.70 kJ/mol NIST
ΔfH°solid -559.48 kJ/mol NIST
ΔfH°solid -562.70 kJ/mol NIST
ΔfusH° 15.34 kJ/mol Joback Calculated Property
ΔsubH° [144.80; 144.80] kJ/mol Show Hide
ΔsubH° 144.80 ± 4.20 kJ/mol NIST
ΔsubH° 144.80 ± 4.20 kJ/mol NIST
ΔvapH° 56.21 kJ/mol Relay (1.0) Calculated Property
IE [8.80; 9.63] eV Show Hide
IE 8.88 eV NIST
IE 8.88 eV NIST
IE 8.80 eV NIST
IE 9.63 eV NIST
log10WS 0.27 Aq. Solubility Prediction
logPoct/wat -0.582 Crippen Calculated Property
McVol 70.550 ml/mol McGowan Calculated Property
Pc 5470.75 kPa Joback Calculated Property
S°solid,1 bar [118.80; 129.21] J/mol×K Show Hide
S°solid,1 bar 129.21 J/mol×K NIST
S°solid,1 bar 118.80 J/mol×K NIST
Tboil 469.05 K Relay (1.0) Calculated Property
Tc 637.05 K Relay (1.0) Calculated Property
Tfus [555.82; 570.65] K Show Hide
Tfus 570.65 K Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus 555.82 K Aq. Solubility Prediction
Vc 0.260 m3/kmol Relay (1.0) Calculated Property

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Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,solid [115.00; 122.26] J/mol×K [298.00; 298.15] Show Hide
Cp,solid 115.00 J/mol×K 298.00 NIST
Cp,solid 115.20 J/mol×K 298.00 NIST
Cp,solid 122.26 J/mol×K 298.15 NIST
ΔsubH [132.40; 138.00] kJ/mol [414.00; 455.00] Show Hide
ΔsubH 133.00 ± 1.00 kJ/mol 414.00 NIST
ΔsubH 132.40 ± 1.30 kJ/mol 431.50 NIST
ΔsubH 138.00 ± 0.80 kJ/mol 455.00 NIST

Correlations

Property Value Unit Temperature (K) Source
Cp,gas [102.80; 221.39] J/mol×K [273.00; 1000.00] Joback Predicted correlation Show Hide
EquationY = A + B·T + C·T² + D·T³ + E·T⁴
Y is Cp,gas in J/mol×K, T in K
Coefficient A9.57000e+00
Coefficient B4.07420e-01
Coefficient C-2.58600e-04
Coefficient D6.30000e-08
Coefficient E0.00000e+00
Temperature range, min.273.00
Temperature range, max.1000.00
Cp,gas 102.80 J/mol×K 273.00 Calculated Property
Cp,gas 124.13 J/mol×K 353.78 Calculated Property
Cp,gas 142.95 J/mol×K 434.56 Calculated Property
Cp,gas 159.47 J/mol×K 515.33 Calculated Property
Cp,gas 173.89 J/mol×K 596.11 Calculated Property
Cp,gas 186.40 J/mol×K 676.89 Calculated Property
Cp,gas 197.21 J/mol×K 757.67 Calculated Property
Cp,gas 206.51 J/mol×K 838.44 Calculated Property
Cp,gas 214.50 J/mol×K 919.22 Calculated Property
Cp,gas 221.39 J/mol×K 1000.00 Calculated Property

Similar Compounds

D-Alanine. dl-Alanine. 3-Fluoroalanine. D-Serine. dl-Serine. L-Serine. L-Cysteine. L-Alanine, N-methyl-. L-Aspartic acid. D-Aspartic acid. dl-Aspartic acid. 1-Propanol, 2-amino-, (S)-. 1-Propanol, 2-amino-, (.+/-.)-. (R)-(-)-2-Amino-1-propanol. S-Methyl-L-cysteine.

Find more compounds similar to L-Alanine.

Mixtures

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Sources

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