Chemical Properties of Maleic acid (CAS 110-16-7)

InChI

InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-

InChI Key

VZCYOOQTPOCHFL-UPHRSURJSA-N

Formula

C4H4O4

SMILES

O=C(O)C=CC(=O)O

Molecular Weight¹

116.07

CAS

110-16-7

Other Names

• (Z)-2-Butenedioic acid
• (Z)-Butenedioic acid
• 1,2-Ethylenedicarboxylic acid, (Z)
• 1,2-Ethylenedicarboxylic acid, cis-
• 2-Butenedioic acid (2Z)-
• 2-Butenedioic acid (Z)-
• 2-butenedioic acid (Z)
• Butenedioic acid,(Z)-
• CIS-1,2-ETHYLENEDICARBOXYL ACID
• Kyselina maleinova
• Maleinic acid
• Malenic acid
• Toxilic acid
• cis-1,2-ethylenedicarboxylic acid
• cis-1,4-butenedioic acid
• cis-2-butenedioic acid
• cis-butenedioic acid

• ω : Acentric Factor.
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• C_p,solid : Solid phase heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• 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°_liquid : Liquid phase 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_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (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).
• NFPA Fire : NFPA Fire Rating.
• NFPA Health : NFPA Health Rating.
• NFPA Safety : NFPA Safety Rating.
• P_c : Critical Pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• γ : Surface Tension (N/m).
• 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).
• λ : Gas thermal conductivity (W/m×K).
• λ : Liquid thermal conductivity (W/m×K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• U_Qi : UNIQUAC Qi Parameter.
• U_Ri : UNIQUAC Ri Parameter.
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.9976		ChemSep v8.3 pure component data
ΔcH°solid	[-1358.00; -1355.20]	kJ/mol
ΔcH°solid	-1355.20 ± 0.67	kJ/mol	NIST
ΔcH°solid	-1358.00	kJ/mol	NIST
ΔcH°solid	-1356.20	kJ/mol	NIST
μ	3.18	debye	ChemSep v8.3 pure component data
ΔfG°	-596.00	kJ/mol	ChemSep v8.3 pure component data
ΔfH°gas	-679.40	kJ/mol	ChemSep v8.3 pure component data
ΔfH°liquid	-787.30 ± 1.70	kJ/mol	NIST
ΔfH°solid	[-790.57; -787.76]	kJ/mol
ΔfH°solid	-790.57 ± 0.71	kJ/mol	NIST
ΔfH°solid	-787.76	kJ/mol	NIST
ΔfH°solid	-789.52	kJ/mol	NIST
ΔfusH°	27.28	kJ/mol	Thermal analysis of phase change materials in the temperature range 120.150 .C
ΔvapH°	90.03	kJ/mol	Relay (1.0) Calculated Property
IE	10.71	eV	Relay (1.0) Calculated Property
log10WS	-0.63		Relay (1.0) Calculated Property
logPoct/wat	-0.288		Crippen Calculated Property
McVol	77.800	ml/mol	McGowan Calculated Property
NFPA Fire	1		KDB
NFPA Health	3		KDB
NFPA Safety	1		KDB
Pc	4990.00	kPa	ChemSep v8.3 pure component data
Ptriple	0.10	kPa	ChemSep v8.3 pure component data
S°solid,1 bar	159.40	J/mol×K	NIST
Tboil	411.00	K	ChemSep v8.3 pure component data
Tc	[616.00; 773.00]	K
Tc	773.00	K	ChemSep v8.3 pure component data
Tc	616.00 ± 50.00	K	NIST
Tfus	[402.90; 416.65]	K
Tfus	403.45	K	ChemSep v8.3 pure component data
Tfus	402.90 ± 0.60	K	NIST
Tfus	403.80 ± 0.50	K	NIST
Tfus	Outlier 416.65 ± 0.50	K	NIST
Tfus	405.00 ± 2.00	K	NIST
Tfus	403.40 ± 0.60	K	NIST
Tfus	402.90 ± 0.60	K	NIST
Tfus	403.80 ± 0.50	K	NIST
Ttriple	403.80	K	ChemSep v8.3 pure component data
UQi	3.31		ChemSep v8.3 pure component data
URi	3.72		ChemSep v8.3 pure component data
Vc	0.297	m3/kmol	ChemSep v8.3 pure component data
Zc	0.2310000		ChemSep v8.3 pure component data
Zra	0.23		ChemSep v8.3 pure component data

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,solid	135.60	J/mol×K	294.40	NIST
ΔfusH	26.90	kJ/mol	411.90	NIST
ΔsubH	[105.40; 110.00]	kJ/mol	[362.00; 368.50]
ΔsubH	110.00 ± 2.50	kJ/mol	362.00	NIST
ΔsubH	110.00 ± 2.50	kJ/mol	362.00	NIST
ΔsubH	110.00 ± 3.00	kJ/mol	363.00	NIST
ΔsubH	109.00 ± 4.20	kJ/mol	363.50	NIST
ΔsubH	105.40 ± 1.70	kJ/mol	368.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[105.49; 251.47]	J/mol×K	[273.00; 1500.00]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K
Coefficient A			6.08720e+01
Coefficient B			-4.93340e+02
Coefficient C			5.67224e+00
Coefficient D			-2.86060e-04
Coefficient E			1.49300e-07
Comment			ChemSep eq 16, IdealGasHeatCapacityCp
Temperature range, min.			273.00
Temperature range, max.			1500.00
Cp,gas	105.49	J/mol×K	273.00	Calculated Property
Cp,gas	140.31	J/mol×K	409.33	Calculated Property
Cp,gas	166.14	J/mol×K	545.67	Calculated Property
Cp,gas	185.24	J/mol×K	682.00	Calculated Property
Cp,gas	199.98	J/mol×K	818.33	Calculated Property
Cp,gas	212.05	J/mol×K	954.67	Calculated Property
Cp,gas	222.56	J/mol×K	1091.00	Calculated Property
Cp,gas	232.29	J/mol×K	1227.33	Calculated Property
Cp,gas	241.78	J/mol×K	1363.67	Calculated Property
Cp,gas	251.47	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[228.16; 300.60]	J/mol×K	[403.80; 579.75]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,liquid in J/mol×K, T in K
Coefficient A			1.48240e+02
Coefficient B			7.06520e+02
Coefficient C			-2.86176e+00
Coefficient D			1.84220e-02
Coefficient E			-1.19330e-05
Comment			ChemSep eq 16, LiquidHeatCapacityCp
Temperature range, min.			403.80
Temperature range, max.			579.75
Cp,liquid	228.16	J/mol×K	403.80	Calculated Property
Cp,liquid	235.37	J/mol×K	423.35	Calculated Property
Cp,liquid	243.04	J/mol×K	442.90	Calculated Property
Cp,liquid	251.09	J/mol×K	462.45	Calculated Property
Cp,liquid	259.42	J/mol×K	482.00	Calculated Property
Cp,liquid	267.91	J/mol×K	501.55	Calculated Property
Cp,liquid	276.42	J/mol×K	521.10	Calculated Property
Cp,liquid	284.81	J/mol×K	540.65	Calculated Property
Cp,liquid	292.93	J/mol×K	560.20	Calculated Property
Cp,liquid	300.60	J/mol×K	579.75	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0049927; 0.0004288]	Pa×s	[403.45; 673.00]	ChemSep v8.3 pure component data
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.19930e+01
Coefficient B			2.50830e+03
Coefficient C			7.98570e-02
Coefficient D			-1.87660e-08
Coefficient E			2.00000e+00
Comment			ChemSep eq 101, LiquidViscosity
Temperature range, min.			403.45
Temperature range, max.			673.00
η	0.0049927	Pa×s	403.45	Calculated Property
η	0.0032661	Pa×s	433.40	Calculated Property
η	0.0022577	Pa×s	463.35	Calculated Property
η	0.0016325	Pa×s	493.30	Calculated Property
η	0.0012253	Pa×s	523.25	Calculated Property
η	0.0009489	Pa×s	553.20	Calculated Property
η	0.0007544	Pa×s	583.15	Calculated Property
η	0.0006135	Pa×s	613.10	Calculated Property
η	0.0005086	Pa×s	643.05	Calculated Property
η	0.0004288	Pa×s	673.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[86.95; 0.00]	kJ/mol	[403.80; 773.00]	ChemSep v8.3 pure component data
Equation			Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K
Coefficient A			1.16446e+02
Coefficient B			3.25842e-01
Coefficient C			-2.33021e-04
Coefficient D			2.16992e-03
Coefficient E			4.84323e-01
Critical temperature, Tc (K)			7.73000e+02
Comment			ChemSep eq 106, HeatOfVaporization
Temperature range, min.			403.80
Temperature range, max.			773.00
ΔvapH	86.95	kJ/mol	403.80	Calculated Property
ΔvapH	81.35	kJ/mol	444.82	Calculated Property
ΔvapH	74.81	kJ/mol	485.84	Calculated Property
ΔvapH	67.23	kJ/mol	526.87	Calculated Property
ΔvapH	58.50	kJ/mol	567.89	Calculated Property
ΔvapH	48.60	kJ/mol	608.91	Calculated Property
ΔvapH	37.61	kJ/mol	649.93	Calculated Property
ΔvapH	25.72	kJ/mol	690.96	Calculated Property
ΔvapH	13.31	kJ/mol	731.98	Calculated Property
ΔvapH	0.00	kJ/mol	773.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.10; 4917.48]	kPa	[403.80; 773.00]	ChemSep v8.3 pure component data
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K
Coefficient A			1.80552e+02
Coefficient B			-1.91044e+04
Coefficient C			-2.27811e+01
Coefficient D			6.96723e-06
Coefficient E			2.00000e+00
Comment			ChemSep eq 101, VaporPressure
Temperature range, min.			403.80
Temperature range, max.			773.00
Pvap	0.10	kPa	403.80	Calculated Property
Pvap	1.07	kPa	444.82	Calculated Property
Pvap	7.06	kPa	485.84	Calculated Property
Pvap	31.77	kPa	526.87	Calculated Property
Pvap	108.04	kPa	567.89	Calculated Property
Pvap	297.77	kPa	608.91	Calculated Property
Pvap	700.05	kPa	649.93	Calculated Property
Pvap	1458.57	kPa	690.96	Calculated Property
Pvap	2772.65	kPa	731.98	Calculated Property
Pvap	4917.48	kPa	773.00	Calculated Property
Pvap	[0.10; 4947.87]	kPa	[403.45; 773.00]	KDB Vapor Pressure Data
Equation			ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K
Coefficient A			1.80781e+02
Coefficient B			-1.91037e+04
Coefficient C			-2.28200e+01
Coefficient D			7.02669e-06
Coefficient E			0.00000e+00
Temperature range, min.			403.45
Temperature range, max.			773.00
Pvap	0.10	kPa	403.45	Calculated Property
Pvap	1.06	kPa	444.51	Calculated Property
Pvap	7.00	kPa	485.57	Calculated Property
Pvap	31.60	kPa	526.63	Calculated Property
Pvap	107.70	kPa	567.69	Calculated Property
Pvap	297.38	kPa	608.76	Calculated Property
Pvap	700.34	kPa	649.82	Calculated Property
Pvap	1461.77	kPa	690.88	Calculated Property
Pvap	2784.00	kPa	731.94	Calculated Property
Pvap	4947.87	kPa	773.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[1277.83; 390.13]	kg/m3	[403.80; 773.00]	ChemSep v8.3 pure component data
Equation			Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K
Coefficient A			9.01196e+01
Coefficient B			2.31000e-01
Coefficient C			7.73000e+02
Coefficient D			2.85710e-01
Comment			ChemSep eq 105, LiquidDensity
Temperature range, min.			403.80
Temperature range, max.			773.00
ρl	1277.83	kg/m3	403.80	Calculated Property
ρl	1228.64	kg/m3	444.82	Calculated Property
ρl	1176.99	kg/m3	485.84	Calculated Property
ρl	1122.31	kg/m3	526.87	Calculated Property
ρl	1063.70	kg/m3	567.89	Calculated Property
ρl	999.80	kg/m3	608.91	Calculated Property
ρl	928.25	kg/m3	649.93	Calculated Property
ρl	844.28	kg/m3	690.96	Calculated Property
ρl	734.93	kg/m3	731.98	Calculated Property
ρl	390.13	kg/m3	773.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.04; 1.10e-05]	N/m	[403.45; 769.30]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K
Coefficient A			-1.00760e-02
Coefficient B			5.68910e+02
Coefficient C			-6.02430e+00
Coefficient D			7.07150e-03
Coefficient E			-8.02910e-06
Comment			ChemSep eq 16, SurfaceTension, ChemSep Tmax 773 K
Temperature range, min.			403.45
Temperature range, max.			769.30
γ	0.04	N/m	403.45	Calculated Property
γ	0.03	N/m	444.10	Calculated Property
γ	0.03	N/m	484.75	Calculated Property
γ	0.02	N/m	525.40	Calculated Property
γ	0.02	N/m	566.05	Calculated Property
γ	0.01	N/m	606.70	Calculated Property
γ	0.01	N/m	647.35	Calculated Property
γ	0.01	N/m	688.00	Calculated Property
γ	0.00	N/m	728.65	Calculated Property
γ	1.10e-05	N/m	769.30	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λ	[0.01; 0.05]	W/m×K	[274.00; 1000.00]	ChemSep v8.3 pure component data
Equation			Y = A·T^B / (1 + C/T + D/T²) Y is λ in W/m×K, T in K
Coefficient A			2.19630e-06
Coefficient B			1.41910e+00
Coefficient C			-2.85030e+02
Coefficient D			8.41990e+04
Comment			ChemSep eq 102, VaporThermalConductivity
Temperature range, min.			274.00
Temperature range, max.			1000.00
λ	0.01	W/m×K	274.00	Calculated Property
λ	0.01	W/m×K	354.67	Calculated Property
λ	0.02	W/m×K	435.33	Calculated Property
λ	0.02	W/m×K	516.00	Calculated Property
λ	0.03	W/m×K	596.67	Calculated Property
λ	0.03	W/m×K	677.33	Calculated Property
λ	0.03	W/m×K	758.00	Calculated Property
λ	0.04	W/m×K	838.67	Calculated Property
λ	0.04	W/m×K	919.33	Calculated Property
λ	0.05	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λ	[0.17; 0.11]	W/m×K	[403.80; 612.00]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is λ in W/m×K, T in K
Coefficient A			-6.19440e-02
Coefficient B			-1.60860e+02
Coefficient C			-2.56430e-01
Coefficient D			-2.14580e-03
Coefficient E			2.39540e-07
Comment			ChemSep eq 16, LiquidThermalConductivity
Temperature range, min.			403.80
Temperature range, max.			612.00
λ	0.17	W/m×K	403.80	Calculated Property
λ	0.16	W/m×K	426.93	Calculated Property
λ	0.15	W/m×K	450.07	Calculated Property
λ	0.15	W/m×K	473.20	Calculated Property
λ	0.14	W/m×K	496.33	Calculated Property
λ	0.14	W/m×K	519.47	Calculated Property
λ	0.13	W/m×K	542.60	Calculated Property
λ	0.12	W/m×K	565.73	Calculated Property
λ	0.12	W/m×K	588.87	Calculated Property
λ	0.11	W/m×K	612.00	Calculated Property

Similar Compounds

Find more compounds similar to Maleic acid.

Mixtures

• Methyl Isobutyl Ketone + sodium chloride + Maleic acid
• sodium chloride + 1-Butanol + Maleic acid
• Toluene + sodium chloride + Maleic acid
• sodium chloride + Ethyl Acetate + Maleic acid
• 2-Butanone + sodium chloride + Maleic acid
• Acetone + Maleic acid
• Ethyl Acetate + Maleic acid
• Acetone + Ethyl Acetate + Maleic acid
• Maleic acid + Water
• 1-Butanol + Maleic acid + Water
• Maleic acid + 1-Decanol + Water
• 1-Butanol, 3-methyl- + Maleic acid + Water
• Methyl Isobutyl Ketone + Maleic acid + Water
• 1-Octanol + Maleic acid + Water
• Octane + Maleic acid + Water
• Decane + Maleic acid + Water
• 4-Heptanone, 2,6-dimethyl- + Maleic acid + Water
• 2-Butanone + Maleic acid + Water
• Carbon dioxide + Maleic acid

Sources

• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
• Crippen Method
• Crippen Method
• Ultrasonic Velocity and Density Studies of Solutions of Maleic Acid and Tartaric Acid inWater at T = (298.15 and 308.15)K
• The solubility of maleic acid in various inorganic salts and organic solvents: Thermodynamics model and parameters
• Thermal analysis of phase change materials in the temperature range 120.150 .C
• Measurement and correlation of the solubility of maleic acid in acetone-ethyl acetate mixtures
• Extraction of Citric Acid and Maleic Acid from Their Aqueous Solutions Using a Phosphorus-Bonded Extractant, Tri-n-octylphosphineoxide, and a Secondary Amine, Dioctylamine
• Surface Tensions and Densities of Oxalic, Malonic, Succinic, Maleic, Malic, and cis-Pinonic Acids
• Cryoscopic and Volumetric Studies in the Maleic Acid + Water System
• Solubility of Maleic Acid in Supercritical Carbon Dioxide
• Joback Method
• KDB
• McGowan Method
• NIST Webbook

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