Chemical Properties of Lysine (CAS 56-87-1)

InChI

InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)/t5-/m1/s1

InChI Key

KDXKERNSBIXSRK-RXMQYKEDSA-N

Formula

C6H14N2O2

SMILES

NCCCCC(N)C(=O)O

Molecular Weight¹

146.19

CAS

56-87-1

Other Names

• (S)-2,6-Diaminohexanoic acid
• (S)-Lysine
• (S)-«alpha»,«epsilon»-Diaminocaproic acid
• 2,6-Diaminohexanoic acid
• Aminutrin
• Hexanoic acid, 2,6-diamino-, (S)-
• L-(+)-Lysine
• L-H2N(CH2)4CH(NH2)COOH
• L-Lysine
• L-Norleucine, 6-amino-
• Lys
• Lysine acid
• Lysine, L-
• h-Lys-oh
• «alpha»,«epsilon»-Diaminocaproic acid
• «alpha»-Lysine

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_solid : Solid phase 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

Property	Value	Unit	Source
PAff	996.00	kJ/mol	NIST
BasG	951.00	kJ/mol	NIST
ΔcH°solid	-3683.20 ± 1.50	kJ/mol	NIST
ΔfH°gas	-459.78	kJ/mol	Relay (1.0) Calculated Property
ΔfH°solid	-678.70 ± 1.50	kJ/mol	NIST
ΔfusH°	28.31	kJ/mol	Joback Calculated Property
IE	[8.60; 9.50]	eV
IE	8.60	eV	NIST
IE	9.50	eV	NIST
log10WS	-0.22		Relay (1.0) Calculated Property
logPoct/wat	-0.473		Crippen Calculated Property
McVol	122.800	ml/mol	McGowan Calculated Property
Tfus	507.01	K	Relay (1.0) Calculated Property

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	[330.44; 383.42]	J/mol×K	[627.01; 838.54]
Cp,gas	330.44	J/mol×K	627.01	Joback Calculated Property
Cp,gas	340.71	J/mol×K	662.26	Joback Calculated Property
Cp,gas	350.37	J/mol×K	697.52	Joback Calculated Property
Cp,gas	359.44	J/mol×K	732.77	Joback Calculated Property
Cp,gas	367.95	J/mol×K	768.03	Joback Calculated Property
Cp,gas	375.93	J/mol×K	803.28	Joback Calculated Property
Cp,gas	383.42	J/mol×K	838.54	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.98; 202.63]	kPa	[483.00; 548.91]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			3.35245e+01
Coefficient B			-1.17085e+04
Coefficient C			-1.33906e+02
Temperature range, min.			483.00
Temperature range, max.			548.91
Pvap	0.98	kPa	483.00	Calculated Property
Pvap	1.96	kPa	490.32	Calculated Property
Pvap	3.80	kPa	497.65	Calculated Property
Pvap	7.17	kPa	504.97	Calculated Property
Pvap	13.21	kPa	512.29	Calculated Property
Pvap	23.78	kPa	519.62	Calculated Property
Pvap	41.86	kPa	526.94	Calculated Property
Pvap	72.19	kPa	534.26	Calculated Property
Pvap	122.07	kPa	541.59	Calculated Property
Pvap	202.63	kPa	548.91	Calculated Property
Pvap	[1.15; 3539.08]	kPa	[483.00; 821.00]	KDB Vapor Pressure Data
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			2.16774e+02
Coefficient B			-2.25228e+04
Coefficient C			-2.78152e+01
Coefficient D			8.13785e-06
Temperature range, min.			483.00
Temperature range, max.			821.00
Pvap	1.15	kPa	483.00	Calculated Property
Pvap	5.65	kPa	520.56	Calculated Property
Pvap	20.80	kPa	558.11	Calculated Property
Pvap	61.59	kPa	595.67	Calculated Property
Pvap	154.15	kPa	633.22	Calculated Property
Pvap	338.74	kPa	670.78	Calculated Property
Pvap	672.95	kPa	708.33	Calculated Property
Pvap	1236.58	kPa	745.89	Calculated Property
Pvap	2140.09	kPa	783.44	Calculated Property
Pvap	3539.08	kPa	821.00	Calculated Property

Similar Compounds

Find more compounds similar to Lysine.

Mixtures

• Lysine + Water
• Lysine + Sodium bromide + Water
• Lysine + sodium chloride + Water
• Lysine + potassium iodide + Water
• Lysine + Sodium sulfate + Water
• Lysine + Ethanol + Water
• Lysine + Ethanol

Sources

• KDB Vapor Pressure Data
• 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
• Thermophysical properties of aqueous lysine and its inhibition influence on methane and carbon dioxide hydrate phase boundary condition
• Mutual diffusion coefficients of L-lysine in aqueous solutions
• Solvation of Basic and Neutral Amino Acids in Aqueous Electrolytic Solutions: Measurements and Modeling
• Solubility of the Proteinogenic a-Amino Acids in Water, Ethanol, and Ethanol-Water Mixtures
• Joback Method
• KDB
• 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.
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