- 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
- Other Names
-
- (±)-1,2-butanediol
- 1,2-(Dihydroxy)butane
- 1,2-Butandiol
- 1,2-Butylene glycol
- Butane-1,2-diol
- DL-1,2-Butanediol
- Ethylethylene glycol
- NSC 24242
- «alpha»-Butylene glycol
- ω : Acentric Factor.
- 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).
- 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).
- 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).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
Cheméo is a service of Céondo GmbH, since 2007, we provide simulation, modelling and software development services for the industry.
Do not hesitate to contact us for your projects.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.6755 | Relay (1.0) Calculated Property | |
| ΔfG° | -293.28 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -455.26 | kJ/mol | Relay (1.0) 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 |
| IE | 10.08 | eV | Relay (1.0) Calculated Property |
| log10WS | 0.68 | Relay (1.0) Calculated Property | |
| logPoct/wat | -0.250 | Crippen Calculated Property | |
| McVol | 78.960 | ml/mol | McGowan Calculated Property |
| Pc | [5200.00; 5210.00] | kPa |
|
| Pc | 5200.00 | kPa | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 7 Compiled value |
| Pc | 5210.00 ± 250.00 | kPa | NIST |
| ρc | 297.40 ± 11.72 | kg/m3 | NIST |
| Tboil | 464.67 | K | Relay (1.0) Calculated Property |
| Tc | [680.00; 680.00] | K |
|
| Tc | 680.00 | K | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 7 Compiled value |
| Tc | 680.00 ± 2.00 | K | NIST |
| Tfus | 246.60 | K | Relay (1.0) Calculated Property |
| Vc | 0.303 | m3/kmol | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 7 Compiled value |
| Zc | 0.2790000 | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 7 Compiled value |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| 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 |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [115.03; 263.57] | J/mol×K | [273.00; 1000.00] |
Joback Predicted correlation
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 8.15200e+00 | |||
| Coefficient B | 4.57720e-01 | |||
| Coefficient C | -2.57800e-04 | |||
| Coefficient D | 5.55000e-08 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 115.03 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 140.27 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 162.93 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 183.16 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 201.15 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 217.07 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 231.10 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 243.41 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 254.17 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 263.57 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.6060212; 0.0001238] | Pa×s | [241.48; 476.00] |
Joback Predicted correlation
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -1.77448e+01 | |||
| Coefficient B | 4.16408e+03 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc. | |||
| Temperature range, min. | 241.48 | |||
| Temperature range, max. | 476.00 | |||
| η | 0.6060212 | Pa×s | 241.48 | Calculated Property |
| η | 0.1129986 | Pa×s | 267.54 | Calculated Property |
| η | 0.0283880 | Pa×s | 293.60 | Calculated Property |
| η | 0.0089333 | Pa×s | 319.65 | Calculated Property |
| η | 0.0033464 | Pa×s | 345.71 | Calculated Property |
| η | 0.0014386 | Pa×s | 371.77 | Calculated Property |
| η | 0.0006907 | Pa×s | 397.83 | Calculated Property |
| η | 0.0003630 | Pa×s | 423.88 | Calculated Property |
| η | 0.0002055 | Pa×s | 449.94 | Calculated Property |
| η | 0.0001238 | Pa×s | 476.00 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,2-Butanediol, (.+/-.)-.
Sources
- IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 7 ChEDL chemicals 1.5.2, from Kudchadker, A. P.; Ambrose, D.; Tsonopoulos, C. Vapor-Liquid Critical Properties of Elements and Compounds. 7. Oxygen Compounds Other Than Alkanols and Cycloalkanols. J. Chem. Eng. Data 2001, 46, 457-479.
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- 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.
Calculated This icon marks a calculated value or equation: a prediction, not a measurement.
Compiled This icon marks a compiled value or equation: taken from a data compilation such as ChemSep, not from an original measurement report.
These property values are available through the Cheméo API. A free account gives you an access key.