- InChI
- InChI=1S/C8H20N2/c1-9(2)7-5-6-8-10(3)4/h5-8H2,1-4H3
- InChI Key
- VEAZEPMQWHPHAG-UHFFFAOYSA-N
- Formula
- C8H20N2
- SMILES
- CN(C)CCCCN(C)C
- Molecular Weight1
- 144.26
- CAS
- 111-51-3
- Other Names
-
- (CH3)2N(CH2)4N(CH3)2
- 1,4-Bis(dimethylamino)butane
- 1,4-Butanediamine, N1,N1,N4,N4-tetramethyl-
- 2,7-Dimethyl-2,7-diazaoctane
- N,N,N',N'-Tetramethyl-1,4-butanediamine
- N,N,N',N'-Tetramethyl-1,4-diaminobutane
- N,N,N',N'-Tetramethylbutylenediamine
- N,N,N',N'-Tetramethyltetramethylenediamine
- Tetramethyldiaminobutane
- Tetramethylputrescine
- «alpha»,«delta»-(Tetramethyldiamino)butane
- «alpha»,«delta»-(Tetramethyldiamino)butane
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- 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).
- 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).
- Pvap : Vapor pressure (kPa).
- 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 | 1046.30 | kJ/mol | NIST |
| BasG | 992.70 | kJ/mol | NIST |
| ΔfG° | 238.04 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -73.39 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 22.52 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 37.49 | kJ/mol | Joback Calculated Property |
| log10WS | -0.31 | Crippen Calculated Property | |
| logPoct/wat | 0.890 | Crippen Calculated Property | |
| McVol | 143.540 | ml/mol | McGowan Calculated Property |
| Pc | 2525.19 | kPa | Joback Calculated Property |
| Tboil | 439.70 | K | NIST |
| Tc | 568.48 | K | Joback Calculated Property |
| Tfus | 244.86 | K | Joback Calculated Property |
| Vc | 0.519 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [291.42; 372.80] | J/mol×K | [407.32; 568.48] | 
|
| Cp,gas | 291.42 | J/mol×K | 407.32 | Joback Calculated Property |
| Cp,gas | 306.48 | J/mol×K | 434.18 | Joback Calculated Property |
| Cp,gas | 320.91 | J/mol×K | 461.04 | Joback Calculated Property |
| Cp,gas | 334.74 | J/mol×K | 487.90 | Joback Calculated Property |
| Cp,gas | 347.98 | J/mol×K | 514.76 | Joback Calculated Property |
| Cp,gas | 360.66 | J/mol×K | 541.62 | Joback Calculated Property |
| Cp,gas | 372.80 | J/mol×K | 568.48 | Joback Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.75; 202.63] | kPa | [325.15; 464.48] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.58246e+01 | |||
| Coefficient B | -4.21255e+03 | |||
| Coefficient C | -6.37900e+01 | |||
| Temperature range, min. | 325.15 | |||
| Temperature range, max. | 464.48 | |||
| Pvap | 0.75 | kPa | 325.15 | Calculated Property |
| Pvap | 1.84 | kPa | 340.63 | Calculated Property |
| Pvap | 4.11 | kPa | 356.11 | Calculated Property |
| Pvap | 8.49 | kPa | 371.59 | Calculated Property |
| Pvap | 16.35 | kPa | 387.07 | Calculated Property |
| Pvap | 29.65 | kPa | 402.56 | Calculated Property |
| Pvap | 51.06 | kPa | 418.04 | Calculated Property |
| Pvap | 84.01 | kPa | 433.52 | Calculated Property |
| Pvap | 132.80 | kPa | 449.00 | Calculated Property |
| Pvap | 202.63 | kPa | 464.48 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,4-Butanediamine, N,N,N',N'-tetramethyl-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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