Chemical Properties of L-Lactic acid (CAS 79-33-4)

InChI

InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m1/s1

InChI Key

JVTAAEKCZFNVCJ-UWTATZPHSA-N

Formula

C3H6O3

SMILES

CC(O)C(=O)O

Molecular Weight¹

90.08

CAS

79-33-4

Other Names

• (+)-Lactic acid
• (S)-(+)-Lactic acid
• (S)-2-Hydroxypropionic acid
• (S)-2-hydroxypropanoic acid
• (S)-Lactic acid
• Espiritin
• L-(+)-Lactic acid
• L-2-hydroxypropanoic acid
• Lactic acid, L-
• PH 90
• PURAC
• Paralactic acid
• Propanoic acid, 2-hydroxy-, (2S)-
• Sarcolactic acid
• Tisulac
• propanoic acid, 2-hydroxy-, (S)-

• ω : Acentric Factor.
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• 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°_solid : Solid 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).
• 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).
• I_p : Polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (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	0.6920		Relay (1.0) Calculated Property
ΔcH°solid	-1343.98 ± 0.46	kJ/mol	NIST
ΔfG°	-508.79	kJ/mol	Joback Calculated Property
ΔfH°gas	-635.84	kJ/mol	Relay (1.0) Calculated Property
ΔfH°solid	-694.08	kJ/mol	NIST
ΔfusH°	14.23	kJ/mol	Joback Calculated Property
ΔvapH°	72.56	kJ/mol	Relay (1.0) Calculated Property
IE	10.62	eV	Relay (1.0) Calculated Property
log10WS	1.30		Relay (1.0) Calculated Property
logPoct/wat	-0.548		Crippen Calculated Property
McVol	66.440	ml/mol	McGowan Calculated Property
Pc	5765.39	kPa	Joback Calculated Property
Ip	[2159.00; 2159.00]
Ip	2159.00		NIST
Ip	2159.00		NIST
Tboil	441.69	K	Relay (1.0) Calculated Property
Tc	673.58	K	Relay (1.0) Calculated Property
Tfus	303.38	K	Relay (1.0) Calculated Property
Vc	0.257	m3/kmol	Relay (1.0) Calculated Property

Pressure Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[94.93; 204.09]	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			8.37000e+00
Coefficient B			3.79520e-01
Coefficient C			-2.45600e-04
Coefficient D			6.18000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	94.93	J/mol×K	273.00	Calculated Property
Cp,gas	114.63	J/mol×K	353.78	Calculated Property
Cp,gas	131.99	J/mol×K	434.56	Calculated Property
Cp,gas	147.18	J/mol×K	515.33	Calculated Property
Cp,gas	160.42	J/mol×K	596.11	Calculated Property
Cp,gas	171.90	J/mol×K	676.89	Calculated Property
Cp,gas	181.81	J/mol×K	757.67	Calculated Property
Cp,gas	190.35	J/mol×K	838.44	Calculated Property
Cp,gas	197.71	J/mol×K	919.22	Calculated Property
Cp,gas	204.09	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0044462; 0.0002129]	Pa×s	[329.99; 486.37]	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			-1.48683e+01
Coefficient B			3.11927e+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.			329.99
Temperature range, max.			486.37
η	0.0044462	Pa×s	329.99	Calculated Property
η	0.0027711	Pa×s	347.37	Calculated Property
η	0.0018066	Pa×s	364.74	Calculated Property
η	0.0012246	Pa×s	382.12	Calculated Property
η	0.0008586	Pa×s	399.49	Calculated Property
η	0.0006201	Pa×s	416.87	Calculated Property
η	0.0004597	Pa×s	434.24	Calculated Property
η	0.0003487	Pa×s	451.62	Calculated Property
η	0.0002699	Pa×s	468.99	Calculated Property
η	0.0002129	Pa×s	486.37	Calculated Property

Similar Compounds

Find more compounds similar to L-Lactic acid.

Mixtures

• L-Lactic acid + Water
• L-Lactic acid + Choline chloride + 2-Propanol
• L-Lactic acid + Choline chloride + Water
• L-Lactic acid + Glucose
• L-Lactic acid + Glucose + Water
• L-Lactic acid + Choline chloride
• L-Lactic acid + Choline chloride + Ethanol
• L-Lactic acid + Dodecane + Water
• L-Lactic acid + 1-Dodecanol + Water

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Low transition temperature mixtures (LTTMs) as novel entrainers in extractive distillation
• Influence of 1-alkyl-3-methylimidazolium based ionic liquids on the thermodynamic and transport properties of L(+)-lactic acid in aqueous solutions of polyethylene glycol
• Effect of some imidazolium based ionic liquids on the electrical conductivity of L(+)-lactic acid in aqueous solutions of poly(ethylene glycol)
• Influence of temperature, water content and type of organic acid on the formation, stability and properties of functional natural deep eutectic solvents
• Isopropanol dehydration via extractive distillation using low transition temperature mixtures as entrainers
• Liquid-Liquid Equilibria of Lactic Acid/Water Solutions in Tri-iso-octylamine/Dodecane/1-Dodecanol at 306.1, 310.1, and 316.1 K. Experimental Data and Prediction
• Surface Tension of Aqueous Solutions of Small-Chain Amino and Organic Acids
• Joback Method
• McGowan Method
• NIST Webbook

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