- InChI
- InChI=1S/C4H10O2/c1-2-4(6)3-5/h4-6H,2-3H2,1H3
- InChI Key
- BMRWNKZVCUKKSR-UHFFFAOYSA-N
- Formula
- C4H10O2
- SMILES
- CCC(O)CO
- Molecular Weight1
- 90.12
- CAS
- 26171-83-5
- Other Names
-
- 1,2-Butylene glycol
- «alpha»-Butylene glycol
- Ethylethylene glycol
- 1,2-(Dihydroxy)butane
- Butane-1,2-diol
- DL-1,2-Butanediol
- 1,2-Butandiol
- NSC 24242
- 1,2-Butanediol, (.+/-.)-
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- 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).
- ΔvapH : Enthalpy of vaporization at a given temperature (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).
- ρc : Critical density (kg/m3).
- 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° | -293.28 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -435.63 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 10.77 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [70.40; 73.30] | kJ/mol |
|
| ΔvapH° | 70.40 ± 0.30 | kJ/mol | NIST |
| ΔvapH° | 73.30 ± 0.40 | kJ/mol | NIST |
| ΔvapH° | 71.60 ± 0.80 | kJ/mol | NIST |
| log10WS | -0.14 | Crippen Calculated Property | |
| logPoct/wat | -0.250 | Crippen Calculated Property | |
| McVol | 78.960 | ml/mol | McGowan Calculated Property |
| Pc | 5210.00 ± 250.00 | kPa | NIST |
| ρc | 297.40 ± 11.72 | kg/m3 | NIST |
| Tboil | 474.84 | K | Joback Calculated Property |
| Tc | 680.00 ± 2.00 | K | NIST |
| Tfus | 241.48 | K | Joback Calculated Property |
| Vc | 0.291 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [173.31; 209.35] | J/mol×K | [474.84; 636.47] |
|
| Cp,gas | 173.31 | J/mol×K | 474.84 | Joback Calculated Property |
| Cp,gas | 179.93 | J/mol×K | 501.78 | Joback Calculated Property |
| Cp,gas | 186.29 | J/mol×K | 528.72 | Joback Calculated Property |
| Cp,gas | 192.41 | J/mol×K | 555.66 | Joback Calculated Property |
| Cp,gas | 198.29 | J/mol×K | 582.59 | Joback Calculated Property |
| Cp,gas | 203.94 | J/mol×K | 609.53 | Joback Calculated Property |
| Cp,gas | 209.35 | J/mol×K | 636.47 | Joback Calculated Property |
| η | [0.0001265; 0.6060212] | Pa×s | [241.48; 474.84] |
|
| η | 0.6060212 | Pa×s | 241.48 | Joback Calculated Property |
| η | 0.0554139 | Pa×s | 280.37 | Joback Calculated Property |
| η | 0.0090753 | Pa×s | 319.27 | Joback Calculated Property |
| η | 0.0022017 | Pa×s | 358.16 | Joback Calculated Property |
| η | 0.0007050 | Pa×s | 397.05 | Joback Calculated Property |
| η | 0.0002766 | Pa×s | 435.95 | Joback Calculated Property |
| η | 0.0001265 | Pa×s | 474.84 | Joback Calculated Property |
| ΔvapH | [40.70; 51.50] | kJ/mol | [439.00; 439.00] |
|
| ΔvapH | 51.50 ± 0.40 | kJ/mol | 439.00 | NIST |
| ΔvapH | 48.90 ± 0.40 | kJ/mol | 439.00 | NIST |
| ΔvapH | 46.30 ± 0.40 | kJ/mol | 439.00 | NIST |
| ΔvapH | 43.60 ± 0.40 | kJ/mol | 439.00 | NIST |
| ΔvapH | 40.70 ± 0.50 | kJ/mol | 439.00 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 464.70 | K | 99.60 | NIST |
Similar Compounds
Find more compounds similar to 1,2-Butanediol.
Sources
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