Chemical Properties of Acetic acid, potassium salt (CAS 127-08-2)

InChI

InChI=1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

InChI Key

SCVFZCLFOSHCOH-UHFFFAOYSA-M

Formula

C2H3KO2

SMILES

CC(=O)[O-].[K]

Molecular Weight¹

98.14

CAS

127-08-2

Other Names

• Potassium acetate

• ω : Acentric Factor.
• C_p,solid : Solid phase 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_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• P_c : Critical Pressure (kPa).
• S°_{solid,1 bar} : Solid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (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	0.0408		Relay (1.0) Calculated Property
ΔfG°	-188.33	kJ/mol	Relay (1.0-beta) Calculated Property
ΔfH°gas	-462.62	kJ/mol	Relay (1.0) Calculated Property
ΔvapH°	46.31	kJ/mol	Relay (1.0) Calculated Property
IE	7.25	eV	Relay (1.0) Calculated Property
log10WS	-0.09		Relay (1.0) Calculated Property
Pc	4320.19	kPa	Relay (1.0-beta) Calculated Property
S°solid,1 bar	150.82	J/mol×K	NIST
Tboil	621.92	K	Relay (1.0) Calculated Property
Tc	1053.80	K	Relay (1.0) Calculated Property
Tfus	[578.70; 582.00]	K
Tfus	582.00 ± 2.00	K	NIST
Tfus	578.70 ± 0.20	K	NIST
Vc	0.157	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Similar Compounds

Find more compounds similar to Acetic acid, potassium salt.

Sources

• 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.
• NIST Webbook

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