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- InChI
- InChI=1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
- InChI Key
- XSQUKJJJFZCRTK-UHFFFAOYSA-N
- Formula
- CH4N2O
- SMILES
- NC(N)=O
- Molecular Weight1
- 60.06
- CAS
- 57-13-6
- Other Names
-
- (NH2)2CO
- Alphadrate
- Aquacare
- Aquadrate
- B-I-K
- Basodexan
- Benural 70
- Bubber shet
- Calmurid
- Carbaderm
- Carbamide
- Carbamimidic acid
- Carbonyl Diamine
- Carbonyldiamide
- Elaqua xx
- Harnstoff
- Hyanit
- Isourea
- Keratinamin
- Mocovina
- NCI-C02119
- NSC 34375
- Nutraplus
- Onychomal
- Pastaron
- Prespersion, 75 urea
- Pseudourea
- Supercel 3000
- UR
- Ultra Mide
- Urea-13C
- Ureaphil
- Ureophil
- Urepearl
- Urevert
- Uroderm
- Varioform II
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- SProt : Protonation entropy at 298K (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°solid : Solid 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).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (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).
- Pc : Critical Pressure (kPa).
- Psub : Sublimation pressure (kPa).
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | [868.40; 873.50] | kJ/mol |
|
| PAff | 868.40 ± 2.50 | kJ/mol | NIST |
| PAff | 873.50 ± 5.00 | kJ/mol | NIST |
| PAff | 873.50 ± 5.00 | kJ/mol | NIST |
| BasG | [838.70; 846.10] | kJ/mol |
|
| BasG | 838.70 ± 3.00 | kJ/mol | NIST |
| BasG | 846.10 ± 5.00 | kJ/mol | NIST |
| BasG | 841.60 ± 5.00 | kJ/mol | NIST |
| SProt | [-1.90; 9.40] | J/mol×K |
|
| SProt | 9.40 | J/mol×K | NIST |
| SProt | -1.90 | J/mol×K | NIST |
| ΔfG° | -38.48 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -235.50 ± 1.20 | kJ/mol | NIST |
| ΔfH°solid | [-333.39; -320.20] | kJ/mol |
|
| ΔfH°solid | -333.11 ± 0.69 | kJ/mol | NIST |
| ΔfH°solid | -320.20 ± 2.00 | kJ/mol | NIST |
| ΔfH°solid | -333.39 ± 0.17 | kJ/mol | NIST |
| ΔfH°solid | -333.30 ± 0.20 | kJ/mol | NIST |
| ΔfH°solid | -323.60 | kJ/mol | NIST |
| ΔfusH° | 10.34 | kJ/mol | Joback Calculated Property |
| ΔsubH° | [87.65; 98.60] | kJ/mol |
|
| ΔsubH° | 95.50 ± 0.30 | kJ/mol | NIST |
| ΔsubH° | 98.60 | kJ/mol | NIST |
| ΔsubH° | 87.65 ± 0.88 | kJ/mol | NIST |
| ΔvapH° | 45.85 | kJ/mol | Joback Calculated Property |
| IE | [9.70; 10.33] | eV |
|
| IE | 9.70 | eV | NIST |
| IE | 10.27 ± 0.05 | eV | NIST |
| IE | 9.80 | eV | NIST |
| IE | 10.28 | eV | NIST |
| IE | 10.33 | eV | NIST |
| IE | 10.15 | eV | NIST |
| log10WS | [0.96; 0.96] |
|
|
| log10WS | 0.96 | Aq. Sol... | |
| log10WS | 0.96 | Estimat... | |
| logPoct/wat | -0.976 | Crippen Calculated Property | |
| McVol | 46.480 | ml/mol | McGowan Calculated Property |
| Pc | 7735.33 | kPa | Joback Calculated Property |
| S°solid,1 bar | [104.26; 172.00] | J/mol×K |
|
| S°solid,1 bar | 104.26 | J/mol×K | NIST |
| S°solid,1 bar | 104.93 | J/mol×K | NIST |
| S°solid,1 bar | 105.40 | J/mol×K | NIST |
| S°solid,1 bar | 172.00 | J/mol×K | NIST |
| Tboil | 421.21 | K | Joback Calculated Property |
| Tc | 638.13 | K | Joback Calculated Property |
| Tfus | [405.15; 410.00] | K |
|
| Tfus | 407.00 | K | Aq. Sol... |
| Tfus | 406.50 ± 0.50 | K | NIST |
| Tfus | 406.00 ± 3.00 | K | NIST |
| Tfus | 406.20 ± 0.10 | K | NIST |
| Tfus | 405.40 ± 0.80 | K | NIST |
| Tfus | 405.80 ± 0.50 | K | NIST |
| Tfus | 405.15 ± 1.50 | K | NIST |
| Tfus | 406.15 ± 1.50 | K | NIST |
| Tfus | Outlier 410.00 ± 1.50 | K | NIST |
| Ttriple | [405.80; 408.00] | K |
|
| Ttriple | 407.90 ± 0.20 | K | NIST |
| Ttriple | 408.00 ± 0.00 | K | NIST |
| Ttriple | 405.80 ± 0.10 | K | NIST |
| Ttriple | 405.80 ± 0.20 | K | NIST |
| Vc | 0.155 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [87.80; 109.86] | J/mol×K | [421.21; 638.13] |
|
| Cp,gas | 87.80 | J/mol×K | 421.21 | Joback Calculated Property |
| Cp,gas | 91.98 | J/mol×K | 457.36 | Joback Calculated Property |
| Cp,gas | 95.96 | J/mol×K | 493.52 | Joback Calculated Property |
| Cp,gas | 99.73 | J/mol×K | 529.67 | Joback Calculated Property |
| Cp,gas | 103.30 | J/mol×K | 565.82 | Joback Calculated Property |
| Cp,gas | 106.68 | J/mol×K | 601.98 | Joback Calculated Property |
| Cp,gas | 109.86 | J/mol×K | 638.13 | Joback Calculated Property |
| Cp,solid | [68.60; 115.50] | J/mol×K | [293.00; 304.70] |
|
| Cp,solid | 68.60 | J/mol×K | 293.00 | NIST |
| Cp,solid | 93.64 | J/mol×K | 298.00 | NIST |
| Cp,solid | 115.50 | J/mol×K | 298.00 | NIST |
| Cp,solid | 93.08 | J/mol×K | 298.15 | NIST |
| Cp,solid | 90.00 | J/mol×K | 298.15 | NIST |
| Cp,solid | 93.14 | J/mol×K | 298.15 | NIST |
| Cp,solid | 92.79 | J/mol×K | 298.15 | NIST |
| Cp,solid | 94.00 | J/mol×K | 304.70 | NIST |
| ΔfusH | [12.93; 15.03] | kJ/mol | [405.20; 408.10] |
|
| ΔfusH | 13.60 | kJ/mol | 405.20 | NIST |
| ΔfusH | 13.90 | kJ/mol | 405.80 | NIST |
| ΔfusH | 13.61 | kJ/mol | 405.80 | NIST |
| ΔfusH | 13.90 | kJ/mol | 405.80 | NIST |
| ΔfusH | 14.50 | kJ/mol | 406.00 | NIST |
| ΔfusH | 14.79 | kJ/mol | 406.50 | NIST |
| ΔfusH | 14.60 | kJ/mol | 406.70 | NIST |
| ΔfusH | 14.60 | kJ/mol | 407.20 | NIST |
| ΔfusH | 15.03 | kJ/mol | 407.90 | NIST |
| ΔfusH | 12.93 | kJ/mol | 408.10 | NIST |
| ΔsubH | [87.70; 97.60] | kJ/mol | [350.00; 381.00] |
|
| ΔsubH | 96.90 | kJ/mol | 350.00 | NIST |
| ΔsubH | 94.60 ± 0.50 | kJ/mol | 350.00 | NIST |
| ΔsubH | 97.60 ± 1.00 | kJ/mol | 354.00 | NIST |
| ΔsubH | 87.70 | kJ/mol | 356.50 | NIST |
| ΔsubH | 87.90 ± 2.10 | kJ/mol | 356.50 | NIST |
| ΔsubH | 88.20 | kJ/mol | 357.00 | NIST |
| ΔsubH | 95.40 | kJ/mol | 361.00 | NIST |
| ΔsubH | 94.60 ± 2.20 | kJ/mol | 366.00 | NIST |
| ΔsubH | 95.10 ± 2.20 | kJ/mol | 366.00 | NIST |
| ΔsubH | 90.90 | kJ/mol | 381.00 | NIST |
| Psub | [6.40e-04; 0.02] | kPa | [358.30; 402.00] |
|
| Psub | 6.40e-04 | kPa | 358.30 | Measure... |
| Psub | 1.00e-03 | kPa | 363.40 | Measure... |
| Psub | 1.51e-03 | kPa | 368.40 | Measure... |
| Psub | 1.89e-03 | kPa | 371.20 | Measure... |
| Psub | 2.46e-03 | kPa | 374.30 | Measure... |
| Psub | 2.96e-03 | kPa | 376.50 | Measure... |
| Psub | 3.80e-03 | kPa | 379.50 | Measure... |
| Psub | 6.27e-03 | kPa | 386.30 | Measure... |
| Psub | 0.01 | kPa | 393.20 | Measure... |
| Psub | 0.02 | kPa | 399.00 | Measure... |
| Psub | 0.02 | kPa | 402.00 | Measure... |
| ΔfusS | [33.54; 36.40] | J/mol×K | [405.80; 406.50] |
|
| ΔfusS | 34.25 | J/mol×K | 405.80 | NIST |
| ΔfusS | 33.54 | J/mol×K | 405.80 | NIST |
| ΔfusS | 35.70 | J/mol×K | 406.00 | NIST |
| ΔfusS | 36.40 | J/mol×K | 406.50 | NIST |
Similar Compounds
Find more compounds similar to Urea.
Mixtures
- Choline chloride + Urea + Water
- Choline chloride + Ethanol + Urea
- Choline chloride + Urea
- Urea + Water
- sodium chloride + Urea + Water
- Choline chloride + Urea + Methyl Alcohol
- 1,2-Ethanediol + Urea
- Ammonia + Choline chloride + Urea
- Urea + Formamide
- Glucose + Urea + Water
- D-Fructose + Urea + Water
- Sucrose + Urea + Water
- Formamide, N,N-dimethyl- + Urea
- Formamide, N,N-dimethyl- + Urea + Water
- 1,2-Ethanediol + Urea + Sulfur dioxide
Sources
- Crippen Method
- Measurement and Prediction of Thermochemical Properties: Improved Increments for the Estimation of Enthalpies of Sublimation and Standard Enthalpies of Formation of Alkyl Derivatives of Urea
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- Estimated Solubility Method
- McGowan Method
- NIST Webbook
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