System: formic acid
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| 1) formic acid |
| DECHEMA ID | 36191 |
| Formula | CH2O2 |
| Synonym | hydrogen carboxylic acid |
| Synonym | methanoic acid |
| Synonym | aminic acid |
| Synonym | formylic acid |
| Synonym | hydrogencarboxylic acid |
| InChi-Key | BDAGIHXWWSANSR-UHFFFAOYSA-N |
| Registry No. | 64-18-6 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
| acentric factor Omega | - | 3 | 3 | View |
| autoignition temperature | - | 1 | 1 | View |
| boiling temperature | - | 15 | 17 | View |
| compressibility factor | gas | 1 | 5 | View |
| critical compressibility factor | - | 3 | 3 | View |
| critical density | - | 1 | 1 | View |
| critical pressure | - | 8 | 8 | View |
| critical temperature | - | 10 | 10 | View |
| critical volume | - | 3 | 3 | View |
| cubic expansion coefficient | liquid | 1 | 1 | View |
| density | solid | 1 | 2 | View |
| density | liquid | 112 | 236 | View |
| density | gas | 4 | 202 | View |
| dielectric constant | solid | 2 | 12 | View |
| dielectric constant | liquid | 10 | 30 | View |
| dipole moment | - | 3 | 3 | View |
| enthalpy | liquid | 1 | 1 | View |
| enthalpy | gas | 2 | 58 | View |
| enthalpy (related to 0 K) | gas | 1 | 20 | View |
| enthalpy of combustion | liquid | 2 | 2 | View |
| enthalpy of formation | liquid | 6 | 6 | View |
| enthalpy of formation | gas | 7 | 65 | View |
| enthalpy of fusion | solid | 1 | 1 | View |
| enthalpy of fusion | - | 9 | 9 | View |
| enthalpy of vaporization | - | 17 | 43 | View |
| entropy | liquid | 1 | 1 | View |
| entropy | gas | 9 | 26 | View |
| entropy (related to 0 K) | - | 1 | 20 | View |
| equilibrium constant of formation | gas | 1 | 40 | View |
| fire point | - | 1 | 1 | View |
| flash point | - | 10 | 10 | View |
| free enthalpy | liquid | 1 | 1 | View |
| free enthalpy function (-H(0)) | gas | 6 | 93 | View |
| free enthalpy of formation | gas | 4 | 23 | View |
| free enthalpy of formation | liquid | 1 | 1 | View |
| fusion pressure | - | 13 | 28 | View |
| fusion temperature | - | 43 | 59 | View |
| gross calorific value | gas | 1 | 1 | View |
| gross calorific value | liquid | 2 | 2 | View |
| heat capacity (cp) | liquid | 11 | 31 | View |
| heat capacity (cp) | gas | 10 | 136 | View |
| heat capacity (cp) | solid | 2 | 67 | View |
| isentropic compressibility | liquid | 1 | 8 | View |
| melting point | - | 14 | 14 | View |
| molar polarization | gas | 1 | 4 | View |
| molecular weight | - | 6 | 6 | View |
| net calorific value | gas | 1 | 1 | View |
| net calorific value | liquid | 1 | 1 | View |
| normal boiling point | - | 16 | 16 | View |
| octanol/water partition coefficient | - | 2 | 2 | View |
| pressure of sublimation | - | 5 | 24 | View |
| refractive index, Na-D-line | - | 1 | 1 | View |
| refractive index, Na-D-line | liquid | 6 | 11 | View |
| solution conductance | liquid | 1 | 2 | View |
| sound velocity | liquid | 13 | 28 | View |
| specific conductivity | liquid | 4 | 9 | View |
| sublimation temperature | - | 4 | 22 | View |
| surface tension | liquid | 26 | 80 | View |
| thermal conductivity | liquid | 13 | 113 | View |
| thermal conductivity | gas | 1 | 1 | View |
| triple point temperature | - | 1 | 1 | View |
| UNIQUAC area parameter | - | 1 | 1 | View |
| UNIQUAC volume parameter | - | 1 | 1 | View |
| vapor pressure | - | 118 | 460 | View |
| viscosity, dynamic | gas | 2 | 19 | View |
| viscosity, dynamic | liquid | 37 | 137 | View |
| viscosity, kinematic | liquid | 1 | 4 | View |
| volume | liquid | 1 | 1 | View |
| volume | - | 1 | 5 | View |