Chemical Properties of Acetic acid, mercapto-

InChI

InChI=1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)

InChI Key

CWERGRDVMFNCDR-UHFFFAOYSA-N

Formula

C2H4O2S

SMILES

O=C(O)CS

Molecular Weight¹

92.12

Other Names

• .alpha.-mercaptoacetic acid
• 2-mercaptoacetic acid
• 2-mercaptoethanoic acid
• 2-thioglycolic acid
• Acetic acid, 2-mercapto-
• Acide thioglycolique
• Glycolic acid, thio-
• Kyselina merkaptooctova
• Kyselina thioglykolova
• NSC 1894
• Thioglycollic acid
• UN 1940
• USAF CB-35
• glycolic acid, 2-thio-
• mercaptoacetic acid
• thioglycolic acid
• thiovanic acid
• «alpha»-Mercaptoacetic acid

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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).
• n₀ : Refractive Index.
• 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

Temperature Dependent Properties

Pressure Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[82.31; 158.66]	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			2.05610e+01
Coefficient B			2.71900e-01
Coefficient C			-1.80000e-04
Coefficient D			4.62000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	82.31	J/mol×K	273.00	Calculated Property
Cp,gas	96.27	J/mol×K	353.78	Calculated Property
Cp,gas	108.52	J/mol×K	434.56	Calculated Property
Cp,gas	119.20	J/mol×K	515.33	Calculated Property
Cp,gas	128.47	J/mol×K	596.11	Calculated Property
Cp,gas	136.46	J/mol×K	676.89	Calculated Property
Cp,gas	143.33	J/mol×K	757.67	Calculated Property
Cp,gas	149.23	J/mol×K	838.44	Calculated Property
Cp,gas	154.29	J/mol×K	919.22	Calculated Property
Cp,gas	158.66	J/mol×K	1000.00	Calculated Property

Similar Compounds

Find more compounds similar to Acetic acid, mercapto-.

Mixtures

• Acetic acid, butyl ester + Acetic acid, mercapto- + Water
• Acetic acid, 2-methylpropyl ester + Acetic acid, mercapto- + Water
• Acetic acid, mercapto- + Isopropyl acetate + Water
• Diisopropyl ether + Acetic acid, mercapto- + Water
• Propane, 2-methoxy-2-methyl- + Acetic acid, mercapto- + Water
• Acetic acid, mercapto- + Water + 2-ethylhexyl thioglycolate
• Acetic acid, mercapto- + Water
• Acetic acid, butyl ester + Acetic acid, mercapto-
• Formic acid, butyl ester + Acetic acid, mercapto-
• Acetic acid, 2-methylpropyl ester + Acetic acid, mercapto-

Sources

• Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Liquid-liquid equilibrium measurement and thermodynamics modeling for the systems water + thioglycolic acid + isopropyl ether/methyl tert-butyl ether at 298.15 and 308.15 K
• Measurement and thermodynamic modelling of ternary liquid-liquid equilibrium for extraction of thioglycolic acid from aqueous solution with different solvents
• Separation of thioglycolic acid from its aqueous solution by ionic liquids: Ionic liquids selection by the COSMO-SAC model and liquid-liquid phase equilibrium
• Isobaric Vapor Liquid Equilibrium for Binary Systems of Thioglycolic Acid with Water, Butyl Acetate, Butyl Formate, and Isobutyl Acetate at 101.3 kPa
• Liquid-Liquid Equilibria for the Ternary Systems of Water + Thioglycolic Acid + 2-Ethyl-1-hexyl Thioglycolate and Water + 2-Ethyl-1-hexyl Thioglycolate + 2-Ethyl-1-hexanol at 293.15, 303.15, and 313.15 K under 101 kPa
• Joback Method
• McGowan Method
• NIST Webbook

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