- InChI
- InChI=1S/C2H7N/c1-3-2/h3H,1-2H3
- InChI Key
- ROSDSFDQCJNGOL-UHFFFAOYSA-N
- Formula
- C2H7N
- SMILES
- CNC
- Molecular Weight1
- 45.08
- CAS
- 124-40-3
- Other Names
-
- (CH3)2NH
- N,N-Dimethylamine
- N-methylmethanamine
- NSC 8650
- Rcra waste number U092
- UN 1032
- methanamine, N-methyl-
- methylaminomethane
- PAff : Proton affinity (kJ/mol).
- Tig : Autoignition Temperature (K).
- 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).
- εr : Dielectric Constant (Relative permittivity).
- Tflash,cc : Flash Point (Closed Cup Method) (K).
- 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).
- n0 : Refractive Index.
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- γ : Surface Tension (N/m).
- ΔvapS : Entropy of vaporization at a given temperature (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 929.50 | kJ/mol | NIST |
| Tig | 673.15 | K | NCMS SOLV-DB |
| BasG | 896.50 | kJ/mol | NIST |
| ΔcH°liquid | [-1792.00; -1750.00] | kJ/mol |
|
| ΔcH°liquid | -1792.00 | kJ/mol | NIST |
| ΔcH°liquid | -1750.00 | kJ/mol | NIST |
| εr | 5.26 | NCMS SOLV-DB | |
| Tflash,cc | 293.15 | K | NCMS SOLV-DB |
| ΔfH°gas | [-23.80; -19.00] | kJ/mol |
|
| ΔfH°gas | -19.00 ± 2.00 | kJ/mol | NIST |
| ΔfH°gas | -23.80 | kJ/mol | NIST |
| ΔfH°liquid | [-49.80; -45.00] | kJ/mol |
|
| ΔfH°liquid | -45.00 ± 2.00 | kJ/mol | NIST |
| ΔfH°liquid | -49.80 | kJ/mol | NIST |
| ΔfusH° | 6.04 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [23.64; 26.50] | kJ/mol |
|
| ΔvapH° | 23.64 | kJ/mol | NCMS SOLV-DB |
| ΔvapH° | 25.44 | kJ/mol | NIST |
| ΔvapH° | 25.40 ± 0.04 | kJ/mol | NIST |
| ΔvapH° | 26.00 | kJ/mol | NIST |
| ΔvapH° | 26.50 ± 0.10 | kJ/mol | NIST |
| ΔvapH° | 26.50 ± 0.10 | kJ/mol | NIST |
| IE | [8.07; 8.97] | eV |
|
| IE | 8.24 ± 0.08 | eV | NIST |
| IE | 8.20 ± 0.10 | eV | NIST |
| IE | 8.20 | eV | NIST |
| IE | 8.83 | eV | NIST |
| IE | 8.20 ± 0.10 | eV | NIST |
| IE | 8.30 | eV | NIST |
| IE | 8.25 ± 0.02 | eV | NIST |
| IE | 8.07 | eV | NIST |
| IE | 8.25 | eV | NIST |
| IE | 8.36 | eV | NIST |
| IE | 8.24 ± 0.02 | eV | NIST |
| IE | 8.95 | eV | NIST |
| IE | 8.97 | eV | NIST |
| IE | 8.85 | eV | NIST |
| IE | 8.93 | eV | NIST |
| log10WS | 1.00 | Relay (1.0) Calculated Property | |
| logPoct/wat | -0.380 | NCMS SOLV-DB | |
| McVol | 49.020 | ml/mol | McGowan Calculated Property |
| NFPA Fire | 4 | NCMS SOLV-DB | |
| NFPA Health | 3 | NCMS SOLV-DB | |
| NFPA Safety | 0 | NCMS SOLV-DB | |
| Pc | [5304.36; 5340.00] | kPa |
|
| Pc | 5340.00 ± 3.00 | kPa | NIST |
| Pc | 5304.36 ± 30.39 | kPa | NIST |
| Pc | 5312.47 ± 40.53 | kPa | NIST |
| Inp | [405.00; 458.00] |
|
|
| Inp | 405.00 | NIST | |
| Inp | 434.00 | NIST | |
| Inp | Outlier 458.00 | NIST | |
| Inp | 426.00 | NIST | |
| Inp | 425.00 | NIST | |
| Inp | 434.00 | NIST | |
| Inp | 434.00 | NIST | |
| Inp | 425.00 | NIST | |
| I | [646.00; 650.00] |
|
|
| I | 650.00 | NIST | |
| I | 646.00 | NIST | |
| I | 650.00 | NIST | |
| S°liquid | 173.85 | J/mol×K | NIST |
| Tboil | [280.00; 281.65] | K |
|
| Tboil | 280.04 | K | NCMS SOLV-DB |
| Tboil | 280.60 | K | NIST |
| Tboil | 280.00 | K | NIST |
| Tboil | 280.55 ± 0.50 | K | NIST |
| Tboil | 280.09 ± 0.20 | K | NIST |
| Tboil | 280.05 ± 0.20 | K | NIST |
| Tboil | 280.55 ± 1.00 | K | NIST |
| Tboil | Outlier 281.65 ± 4.00 | K | NIST |
| Tc | [437.22; 437.75] | K |
|
| Tc | 437.22 ± 0.15 | K | NIST |
| Tc | 437.70 ± 0.30 | K | NIST |
| Tc | 437.75 ± 0.30 | K | NIST |
| Tfus | [177.15; 180.95] | K |
|
| Tfus | 180.95 | K | NCMS SOLV-DB |
| Tfus | 180.15 ± 0.40 | K | NIST |
| Tfus | 178.90 ± 0.50 | K | NIST |
| Tfus | 180.15 ± 1.50 | K | NIST |
| Tfus | 180.25 ± 1.00 | K | NIST |
| Tfus | 177.15 ± 0.50 | K | NIST |
| Ttriple | [180.97; 180.97] | K |
|
| Ttriple | 180.97 ± 0.02 | K | NIST |
| Ttriple | 180.97 ± 0.02 | K | NIST |
Cheméo can also estimate Critical Volume, Standard Gibbs free energy of formation, Acentric Factor for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | 136.77 | J/mol×K | 280.44 | NIST |
| η | 0.0001860 | Pa×s | 298.15 | NCMS SOLV-DB |
| ΔfusH | [5.94; 5.94] | kJ/mol | [180.97; 181.00] |
|
| ΔfusH | 5.94 | kJ/mol | 180.97 | NIST |
| ΔfusH | 5.94 | kJ/mol | 180.97 | NIST |
| ΔfusH | 5.94 | kJ/mol | 181.00 | NIST |
| ΔfusH | 5.94 | kJ/mol | 181.00 | NIST |
| ΔvapH | [23.80; 28.40] | kJ/mol | [240.50; 398.00] |
|
| ΔvapH | 28.40 | kJ/mol | 240.50 | NIST |
| ΔvapH | 28.40 | kJ/mol | 240.50 | NIST |
| ΔvapH | 26.40 | kJ/mol | 280.00 | NIST |
| ΔvapH | 26.48 | kJ/mol | 280.03 | NIST |
| ΔvapH | 26.48 | kJ/mol | 280.03 | NIST |
| ΔvapH | 27.00 | kJ/mol | 318.50 | NIST |
| ΔvapH | 23.80 | kJ/mol | 398.00 | NIST |
| Pvap | 202.65 | kPa | 298.15 | NCMS SOLV-DB |
| n0 | 1.35700 | 298.15 | NCMS SOLV-DB | |
| ΔfusS | [32.83; 32.83] | J/mol×K | [180.97; 180.97] |
|
| ΔfusS | 32.83 | J/mol×K | 180.97 | NIST |
| ΔfusS | 32.83 | J/mol×K | 180.97 | NIST |
| γ | 0.02 | N/m | 298.15 | NCMS SOLV-DB |
| ΔvapS | [94.58; 94.58] | J/mol×K | [280.03; 280.03] |
|
| ΔvapS | 94.58 | J/mol×K | 280.03 | NIST |
| ΔvapS | 94.58 | J/mol×K | 280.03 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [64.09; 159.40] | 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 | -1.40000e-01 | |||
| Coefficient B | 2.70040e-01 | |||
| Coefficient C | -1.33600e-04 | |||
| Coefficient D | 2.31000e-08 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 64.09 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 79.70 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 93.87 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 106.70 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 118.25 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 128.60 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 137.81 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 145.97 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 153.14 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 159.40 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.07; 5209.29] | kPa | [180.96; 437.65] |
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 | 8.60401e+01 | |||
| Coefficient B | -5.86486e+03 | |||
| Coefficient C | -1.08886e+01 | |||
| Coefficient D | 1.11571e-05 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 180.96 | |||
| Temperature range, max. | 437.65 | |||
| Pvap | 0.07 | kPa | 180.96 | Calculated Property |
| Pvap | 1.40 | kPa | 209.48 | Calculated Property |
| Pvap | 11.53 | kPa | 238.00 | Calculated Property |
| Pvap | 55.13 | kPa | 266.52 | Calculated Property |
| Pvap | 182.85 | kPa | 295.04 | Calculated Property |
| Pvap | 470.09 | kPa | 323.57 | Calculated Property |
| Pvap | 1008.67 | kPa | 352.09 | Calculated Property |
| Pvap | 1900.06 | kPa | 380.61 | Calculated Property |
| Pvap | 3256.23 | kPa | 409.13 | Calculated Property |
| Pvap | 5209.29 | kPa | 437.65 | Calculated Property |
| Pvap | [0.64; 101.30] | kPa | [201.38; 280.01] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.44918e+01 | |||
| Coefficient B | -2.29210e+03 | |||
| Coefficient C | -4.78690e+01 | |||
| Reference | Aston, Eidinoff, et al., 1939 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 201.38 | |||
| Temperature range, max. | 280.01 | |||
| Pvap | 0.64 | kPa | 201.38 | Calculated Property |
| Pvap | 1.44 | kPa | 210.12 | Calculated Property |
| Pvap | 2.96 | kPa | 218.85 | Calculated Property |
| Pvap | 5.69 | kPa | 227.59 | Calculated Property |
| Pvap | 10.27 | kPa | 236.33 | Calculated Property |
| Pvap | 17.61 | kPa | 245.06 | Calculated Property |
| Pvap | 28.83 | kPa | 253.80 | Calculated Property |
| Pvap | 45.35 | kPa | 262.54 | Calculated Property |
| Pvap | 68.85 | kPa | 271.27 | Calculated Property |
| Pvap | 101.30 | kPa | 280.01 | Calculated Property |
| Pvap | [0.64; 101.30] | kPa | [201.38; 280.01] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.44918e+01 | |||
| Coefficient B | -2.29210e+03 | |||
| Coefficient C | -4.78690e+01 | |||
| Reference | Aston, Eidinoff, et al., 1939, 3 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 201.38 | |||
| Temperature range, max. | 280.01 | |||
| Pvap | 0.64 | kPa | 201.38 | Calculated Property |
| Pvap | 1.44 | kPa | 210.12 | Calculated Property |
| Pvap | 2.96 | kPa | 218.85 | Calculated Property |
| Pvap | 5.69 | kPa | 227.59 | Calculated Property |
| Pvap | 10.27 | kPa | 236.33 | Calculated Property |
| Pvap | 17.61 | kPa | 245.06 | Calculated Property |
| Pvap | 28.83 | kPa | 253.80 | Calculated Property |
| Pvap | 45.35 | kPa | 262.54 | Calculated Property |
| Pvap | 68.85 | kPa | 271.27 | Calculated Property |
| Pvap | 101.30 | kPa | 280.01 | Calculated Property |
Similar Compounds
Find more compounds similar to Dimethylamine.
Mixtures
Sources
- KDB Vapor Pressure Data
- Cheméo Relay (1.0)
- Crippen Method
- Surface Tensions and Densities of Sulfuric Acid + Dimethylamine + Water Solutions
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- NCMS SOLV-DB
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