- InChI
- InChI=1S/C5H7N3/c6-4-2-1-3-5(7)8-4/h1-3H,(H4,6,7,8)
- InChI Key
- VHNQIURBCCNWDN-UHFFFAOYSA-N
- Formula
- C5H7N3
- SMILES
- Nc1cccc(N)n1
- Molecular Weight1
- 109.13
- CAS
- 141-86-6
- Other Names
-
- 2,6-diaminopyridine
- DAP
- NSC 1921
- Pyridine, 2,6-diamino-
- pyridine-2,6-diamine
- pyridine-2,6-diyldiamine
- ω : Acentric Factor.
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (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).
- 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 |
|---|---|---|---|
| ω | 0.5464 | Relay (1.0) Calculated Property | |
| ΔcH°solid | -2961.40 ± 0.46 | kJ/mol | NIST |
| ΔfG° | 261.88 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | 71.28 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 81.61 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 8.21 | eV | Relay (1.0) Calculated Property |
| log10WS | -1.82 | Relay (1.0) Calculated Property | |
| logPoct/wat | 0.246 | Crippen Calculated Property | |
| McVol | 87.490 | ml/mol | McGowan Calculated Property |
| Pc | 5051.37 | kPa | Relay (1.0-beta) Calculated Property |
| Inp | 1377.00 | NIST | |
| Tboil | 558.20 | K | NIST |
| Tc | 806.66 | K | Relay (1.0) Calculated Property |
| Tfus | 394.80 | K | Liquid-Liquid Equilibria for Systems of 1-Butanol + Water + 2,6-Diaminopyridine and 1-Butanol + Water + 2-Aminopyridine |
| Vc | 0.304 | m3/kmol | Relay (1.0) Calculated Property |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 422.20 | K | 0.70 | NIST |
Similar Compounds
Find more compounds similar to 2,6-Pyridinediamine.
Mixtures
- 1-Butanol + 2,6-Pyridinediamine + Water
- Toluene + 2,6-Pyridinediamine
- o-Xylene + 2,6-Pyridinediamine
- Ethylbenzene + 2,6-Pyridinediamine
- 2,6-Pyridinediamine + Methyl Alcohol
- Ethanol + 2,6-Pyridinediamine
- Isopropyl Alcohol + 2,6-Pyridinediamine
- 2,6-Pyridinediamine + Water
- sodium hydroxide + 2,6-Pyridinediamine + Water
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- Solubility of 2,6-Diaminopyridine in Toluene, o-Xylene, Ethylbenzene, Methanol, Ethanol, 2-Propanol, and Sodium Hydroxide Solutions
- Liquid-Liquid Equilibria for Systems of 1-Butanol + Water + 2,6-Diaminopyridine and 1-Butanol + Water + 2-Aminopyridine
- McGowan Method
- NIST Webbook
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