- InChI
- InChI=1S/C18H37NO/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H2,19,20)
- InChI Key
- LYRFLYHAGKPMFH-UHFFFAOYSA-N
- Formula
- C18H37NO
- SMILES
- CCCCCCCCCCCCCCCCCC(N)=O
- Molecular Weight1
- 283.49
- CAS
- 124-26-5
- Other Names
-
- Adogen 42
- Advawax 290
- Amide T
- Armid 18
- Crodamide S
- Crodamide SR
- Kemamide S
- NSC 66462
- Petrac vyn-eze
- Stearic amide
- Stearoylamide
- Stearoylamine
- Stearylamide
- Uniwax 1750
- octadecamide
- octadecylamide
- stearamide
- stearic acid amide
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : 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 a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- 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).
- Inp : Non-polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (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 |
|---|---|---|---|
| ΔfG° | 38.21 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -493.64 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 54.80 | kJ/mol | Heat Ca... |
| ΔvapH° | 73.05 | kJ/mol | Joback Calculated Property |
| log10WS | -6.57 | Crippen Calculated Property | |
| logPoct/wat | 5.733 | Crippen Calculated Property | |
| McVol | 276.030 | ml/mol | McGowan Calculated Property |
| Pc | 1252.15 | kPa | Joback Calculated Property |
| Inp | [2332.00; 2398.00] |
|
|
| Inp | 2332.00 | NIST | |
| Inp | 2398.00 | NIST | |
| Inp | 2349.00 | NIST | |
| Inp | 2349.00 | NIST | |
| Inp | 2398.00 | NIST | |
| Tboil | 737.64 | K | Joback Calculated Property |
| Tc | 915.13 | K | Joback Calculated Property |
| Tfus | [379.10; 382.20] | K |
|
| Tfus | 379.10 ± 0.20 | K | NIST |
| Tfus | 382.05 ± 0.30 | K | NIST |
| Tfus | 382.20 ± 0.60 | K | NIST |
| Vc | 1.079 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [838.54; 936.05] | J/mol×K | [737.64; 915.13] |
|
| Cp,gas | 838.54 | J/mol×K | 737.64 | Joback Calculated Property |
| Cp,gas | 856.91 | J/mol×K | 767.22 | Joback Calculated Property |
| Cp,gas | 874.39 | J/mol×K | 796.80 | Joback Calculated Property |
| Cp,gas | 891.01 | J/mol×K | 826.38 | Joback Calculated Property |
| Cp,gas | 906.81 | J/mol×K | 855.96 | Joback Calculated Property |
| Cp,gas | 921.81 | J/mol×K | 885.55 | Joback Calculated Property |
| Cp,gas | 936.05 | J/mol×K | 915.13 | Joback Calculated Property |
| ΔfusH | [54.80; 59.91] | kJ/mol | [377.20; 379.70] |
|
| ΔfusH | 59.91 | kJ/mol | 377.20 | NIST |
| ΔfusH | 59.91 | kJ/mol | 377.20 | NIST |
| ΔfusH | 54.80 | kJ/mol | 379.70 | NIST |
| ΔsubH | 195.80 ± 4.20 | kJ/mol | 373.00 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 523.70 | K | 1.60 | NIST |
Similar Compounds
Find more compounds similar to Octadecanamide.
Sources
- Crippen Method
- Crippen Method
- Heat Capacities and Enthalpies of Solid-Solid Transitions and Fusion of a Series of Eleven Primary Alkylamides by Differential Scanning Calorimetry
- Joback Method
- McGowan Method
- NIST Webbook
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.