- InChI
- InChI=1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)
- InChI Key
- CERQOIWHTDAKMF-UHFFFAOYSA-N
- Formula
- C4H6O2
- SMILES
- C=C(C)C(=O)O
- Molecular Weight1
- 86.09
- CAS
- 79-41-4
- Other Names
-
- .alpha.-methylacrylic acid
- 2-Methyl-2-propenoic acid
- 2-Methylacrylic acid
- 2-Methylpropenoic acid
- ALPHA-METHYLACRYLIC ACID
- Acrylic acid, 2-methyl-
- CH2=C(CH3)COOH
- Kyselina methakrylova
- Methacrylic acid
- Methacrylic acid glacial
- Methylacrylic acid
- NSC 7393
- Propionic acid, 2-methylene-
- «alpha»-Methacrylic acid
- «alpha»-Methylacrylic acid
- «alpha»-Methacrylic acid
- «alpha»-Methylacrylic acid
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/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.
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 816.70 | kJ/mol | NIST |
| BasG | 785.70 | kJ/mol | NIST |
| ΔcH°liquid | [-2016.70; -2012.00] | kJ/mol |
|
| ΔcH°liquid | -2016.70 ± 2.20 | kJ/mol | NIST |
| ΔcH°liquid | -2012.00 ± 0.40 | kJ/mol | NIST |
| ΔfG° | -203.65 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | [-372.20; -367.30] | kJ/mol |
|
| ΔfH°gas | -367.30 ± 2.40 | kJ/mol | NIST |
| ΔfH°gas | -372.20 | kJ/mol | NIST |
| ΔfH°liquid | [-419.70; -414.80] | kJ/mol |
|
| ΔfH°liquid | -414.80 ± 2.30 | kJ/mol | NIST |
| ΔfH°liquid | -419.70 ± 0.40 | kJ/mol | NIST |
| ΔfusH° | 9.21 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [47.50; 47.50] | kJ/mol |
|
| ΔvapH° | 47.50 ± 0.40 | kJ/mol | NIST |
| ΔvapH° | 47.50 | kJ/mol | NIST |
| ΔvapH° | 47.50 ± 0.40 | kJ/mol | NIST |
| IE | 10.15 | eV | NIST |
| log10WS | 0.01 | Aq. Sol... | |
| logPoct/wat | 0.647 | Crippen Calculated Property | |
| McVol | 70.360 | ml/mol | McGowan Calculated Property |
| NFPA Fire | 2 | KDB | |
| NFPA Health | 3 | KDB | |
| NFPA Safety | 2 | KDB | |
| Pc | 4905.21 ± 100.00 | kPa | NIST |
| Inp | 711.00 | NIST | |
| Tboil | 435.70 | K | NIST |
| Tc | 638.40 ± 3.00 | K | NIST |
| Tfus | 229.87 | K | Joback Calculated Property |
| Vc | 0.267 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [130.74; 162.35] | J/mol×K | [433.53; 614.31] |
|
|
T(K) Ideal gas heat capacity (J/mol×K) 130 135 140 145 150 155 160 165 450 500 550 600 | ||||
| Cp,gas | 130.74 | J/mol×K | 433.53 | Joback Calculated Property |
| Cp,gas | 136.67 | J/mol×K | 463.66 | Joback Calculated Property |
| Cp,gas | 142.32 | J/mol×K | 493.79 | Joback Calculated Property |
| Cp,gas | 147.70 | J/mol×K | 523.92 | Joback Calculated Property |
| Cp,gas | 152.83 | J/mol×K | 554.05 | Joback Calculated Property |
| Cp,gas | 157.71 | J/mol×K | 584.18 | Joback Calculated Property |
| Cp,gas | 162.35 | J/mol×K | 614.31 | Joback Calculated Property |
| Cp,liquid | [159.70; 159.70] | J/mol×K | [298.15; 298.15] |
|
| Cp,liquid | 159.70 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 159.70 | J/mol×K | 298.15 | NIST |
| η | [0.0009450; 0.0014470] | Pa×s | [288.15; 318.15] |
|
|
T(K) Dynamic viscosity (Pa×s) 9.00e-4 1.00e-3 1.10e-3 1.20e-3 1.30e-3 1.40e-3 290 300 310 | ||||
| η | 0.0014470 | Pa×s | 288.15 | Densiti... |
| η | 0.0012670 | Pa×s | 298.15 | Excess ... |
| η | 0.0012670 | Pa×s | 298.15 | Densiti... |
| η | 0.0012670 | Pa×s | 298.15 | Excess ... |
| η | 0.0012670 | Pa×s | 298.15 | Density... |
| η | 0.0012670 | Pa×s | 298.15 | Densiti... |
| η | 0.0012670 | Pa×s | 298.15 | Densiti... |
| η | 0.0010780 | Pa×s | 308.15 | Excess ... |
| η | 0.0010780 | Pa×s | 308.15 | Excess ... |
| η | 0.0010780 | Pa×s | 308.15 | Density... |
| η | 0.0010780 | Pa×s | 308.15 | Densiti... |
| η | 0.0010780 | Pa×s | 308.15 | Densiti... |
| η | 0.0010780 | Pa×s | 308.15 | Densiti... |
| η | 0.0009450 | Pa×s | 318.15 | Density... |
| η | 0.0009450 | Pa×s | 318.15 | Densiti... |
| η | 0.0009450 | Pa×s | 318.15 | Densiti... |
| η | 0.0009450 | Pa×s | 318.15 | Excess ... |
| η | 0.0009450 | Pa×s | 318.15 | Excess ... |
| η | 0.0009450 | Pa×s | 318.15 | Densiti... |
| ΔfusH | [8.06; 8.06] | kJ/mol | [287.50; 287.50] |
|
| ΔfusH | 8.06 | kJ/mol | 287.50 | NIST |
| ΔfusH | 8.06 | kJ/mol | 287.50 | NIST |
| ΔvapH | [51.60; 53.90] | kJ/mol | [366.00; 378.00] |
|
| ΔvapH | 51.60 | kJ/mol | 366.00 | NIST |
| ΔvapH | 53.90 | kJ/mol | 378.00 | NIST |
| ρl | [998.64; 1009.13] | kg/m3 | [298.15; 308.15] |
|
| ρl | 1009.13 | kg/m3 | 298.15 | Densiti... |
| ρl | 1009.13 | kg/m3 | 298.15 | Densiti... |
| ρl | 998.64 | kg/m3 | 308.15 | Densiti... |
| ρl | 998.64 | kg/m3 | 308.15 | Densiti... |
| ΔfusS | 28.04 | J/mol×K | 287.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.62] | kPa | [330.92; 461.47] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.46680e+01 | |||
| Coefficient B | -3.49650e+03 | |||
| Coefficient C | -8.77770e+01 | |||
| Temperature range, min. | 330.92 | |||
| Temperature range, max. | 461.47 | |||
|
T(K) Vapor pressure (kPa) 0 50 100 150 200 350 400 450 | ||||
| Pvap | 1.33 | kPa | 330.92 | Calculated Property |
| Pvap | 3.00 | kPa | 345.43 | Calculated Property |
| Pvap | 6.17 | kPa | 359.93 | Calculated Property |
| Pvap | 11.83 | kPa | 374.44 | Calculated Property |
| Pvap | 21.29 | kPa | 388.94 | Calculated Property |
| Pvap | 36.29 | kPa | 403.45 | Calculated Property |
| Pvap | 59.04 | kPa | 417.95 | Calculated Property |
| Pvap | 92.19 | kPa | 432.46 | Calculated Property |
| Pvap | 138.86 | kPa | 446.96 | Calculated Property |
| Pvap | 202.62 | kPa | 461.47 | Calculated Property |
| Pvap | [0.06; 4691.75] | kPa | [288.15; 643.00] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 2.54171e+01 | |||
| Coefficient B | -6.95597e+03 | |||
| Coefficient C | -6.39603e-01 | |||
| Coefficient D | -4.86105e-06 | |||
| Temperature range, min. | 288.15 | |||
| Temperature range, max. | 643.00 | |||
|
T(K) Vapor pressure (kPa) 0 1000 2000 3000 4000 5000 300 400 500 600 | ||||
| Pvap | 0.06 | kPa | 288.15 | Calculated Property |
| Pvap | 0.96 | kPa | 327.58 | Calculated Property |
| Pvap | 7.63 | kPa | 367.01 | Calculated Property |
| Pvap | 38.75 | kPa | 406.43 | Calculated Property |
| Pvap | 140.89 | kPa | 445.86 | Calculated Property |
| Pvap | 396.57 | kPa | 485.29 | Calculated Property |
| Pvap | 912.67 | kPa | 524.72 | Calculated Property |
| Pvap | 1786.19 | kPa | 564.14 | Calculated Property |
| Pvap | 3060.33 | kPa | 603.57 | Calculated Property |
| Pvap | 4691.75 | kPa | 643.00 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Propenoic acid, 2-methyl-.
Mixtures
- Propane, 2-methoxy-2-methyl- + 2-Propenoic acid, 2-methyl-
- 2-Propenoic acid, 2-methyl- + Cyclohexane
- 1-Methoxy-2-propyl acetate + 2-Propenoic acid, 2-methyl-
- Propanoic acid, 3-ethoxy-, ethyl ester + 2-Propenoic acid, 2-methyl-
- Cyclohexanone + 2-Propenoic acid, 2-methyl-
- 1-Butanol + 2-Propenoic acid, 2-methyl-
- 2-Propenoic acid, 2-methyl- + 2-Propanol, 1-methoxy-
- 2-Propenoic acid, 2-methyl- + Propanoic acid, 2-hydroxy-, ethyl ester
- 2-Propenoic acid, 2-methyl- + Methyl Alcohol
- Methacrolein + 2-Propenoic acid, 2-methyl- + Water
Sources
- KDB Vapor Pressure Data
- Crippen Method
- Solid-liquid equilibrium data for the binary system methacrylic acid + methanol in the high methacrylic acid concentration range
- Densities and derived thermodynamic properties of the binary systems of 1,1-dimethylethyl methyl ether with allyl methacrylate, butyl methacrylate, methacrylic acid, and vinyl acetate at T = (298.15 and 308.15) K
- Densities, isobaric thermal compressibilities and derived thermodynamic properties of the binary systems of cyclohexane with allyl methacrylate, butyl methacrylate, methacrylic acid, and vinyl acetate at t = (298.15 and 308.15)K
- Phase Equilibrium Measurements of the Methacrolein-Methacrylic Acid-Water Ternary System at 101.3 kPa
- Densities and Viscosities of Binary Mixtures of Propylene Glycol Monomethyl Ether Acetate with Methacrylic Acid, Benzyl Methacrylate, and 2-Hydroxyethyl Methacrylate between 298.15 K and 318.15 K
- Density and Viscosity for Ethyl 3-Ethoxypropionate + Methacrylic Acid, + Benzyl Methacrylate, and + 2-Hydroxyethyl Methacrylate
- Excess Molar Volumes and Viscosities for Binary Mixtures of Cyclohexanone with Methacrylic Acid, Benzyl Methacrylate, and 2-Hydroxyethyl Methacrylate at (298.15, 308.15, and 318.15) K
- Densities and Viscosities of Binary Mixtures of 1-Butanol with Methacrylic Acid, Benzyl Methacrylate, and 2-Hydroxyethyl Methacrylate between 288.15 K and 318.15 K
- Excess Molar Volumes and Viscosities for Binary Mixtures of Propylene Glycol Monomethyl Ether with Methacrylic Acid, Benzyl Methacrylate, and 2-Hydroxyethyl Methacrylate at (298.15, 308.15, and 318.15) K
- Densities and Viscosities for Binary Mixtures of Ethyl Lactate with Methacrylic Acid, Benzyl Methacrylate, and 2-Hydroxyethyl Methacrylate at (298.15, 308.15, and 318.15) K
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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