- InChI
- InChI=1S/C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3
- InChI Key
- LSACYLWPPQLVSM-UHFFFAOYSA-N
- Formula
- C8H14O3
- SMILES
- CC(C)C(=O)OC(=O)C(C)C
- Molecular Weight1
- 158.19
- CAS
- 97-72-3
- Other Names
-
- Isobutyric anhydride
- Isobutryic anhydride
- Isobutyric acid anhydride
- Isobutyryl anhydride
- 2-Methylpropanoic anhydride
- (iso-C3H7CO)2O
- 2-Methylpropanoic acid anhydride
- UN 2530
- Propanoic acid, 2-methyl-, 1,1'-anhydride
- 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).
- 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).
- 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 |
|---|---|---|---|
| ΔfG° | -351.24 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -576.39 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 13.82 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 48.53 | kJ/mol | Joback Calculated Property |
| log10WS | -1.33 | Crippen Calculated Property | |
| logPoct/wat | 1.368 | Crippen Calculated Property | |
| McVol | 132.590 | ml/mol | McGowan Calculated Property |
| Pc | 2887.40 | kPa | Joback Calculated Property |
| Tboil | 455.20 | K | NIST |
| Tc | 704.36 | K | Joback Calculated Property |
| Tfus | 272.01 | K | Joback Calculated Property |
| Vc | 0.501 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [299.22; 364.75] | J/mol×K | [511.72; 704.36] | 
|
| Cp,gas | 299.22 | J/mol×K | 511.72 | Joback Calculated Property |
| Cp,gas | 311.43 | J/mol×K | 543.83 | Joback Calculated Property |
| Cp,gas | 323.13 | J/mol×K | 575.93 | Joback Calculated Property |
| Cp,gas | 334.31 | J/mol×K | 608.04 | Joback Calculated Property |
| Cp,gas | 344.97 | J/mol×K | 640.15 | Joback Calculated Property |
| Cp,gas | 355.12 | J/mol×K | 672.25 | Joback Calculated Property |
| Cp,gas | 364.75 | J/mol×K | 704.36 | Joback Calculated Property |
| η | [0.0002488; 0.0051001] | Pa×s | [272.01; 511.72] |
|
| η | 0.0051001 | Pa×s | 272.01 | Joback Calculated Property |
| η | 0.0022334 | Pa×s | 311.96 | Joback Calculated Property |
| η | 0.0011797 | Pa×s | 351.91 | Joback Calculated Property |
| η | 0.0007098 | Pa×s | 391.87 | Joback Calculated Property |
| η | 0.0004691 | Pa×s | 431.82 | Joback Calculated Property |
| η | 0.0003326 | Pa×s | 471.77 | Joback Calculated Property |
| η | 0.0002488 | Pa×s | 511.72 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to Propanoic acid, 2-methyl-, anhydride.
Sources
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