System: hydrocyanic acid
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| 1) hydrocyanic acid |
| DECHEMA ID | 39743 |
| Formula | CHN |
| Synonym | formic nitrile |
| Synonym | formic acid nitrile |
| Synonym | methanoic acid nitrile |
| Synonym | hydrogen cyanide |
| Synonym | prussic acid |
| Synonym | methanenitrile |
| Synonym | carbon hydride nitride |
| Synonym | evercyn |
| Synonym | formic anammonide |
| Synonym | formonitrile |
| Synonym | hcn |
| Synonym | nitrilomethane |
| Synonym | zaclondiscoids |
| Synonym | zootic acid |
| InChi-Key | LELOWRISYMNNSU-UHFFFAOYSA-N |
| Registry No. | 74-90-8 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
| 2nd virial coefficient | gas | 3 | 10 | View |
| acentric factor Omega | - | 5 | 5 | View |
| boiling temperature | - | 10 | 14 | View |
| critical compressibility factor | - | 5 | 5 | View |
| critical density | - | 3 | 3 | View |
| critical pressure | - | 13 | 13 | View |
| critical temperature | - | 12 | 12 | View |
| critical volume | - | 9 | 9 | View |
| density | liquid | 20 | 68 | View |
| density | gas | 2 | 5 | View |
| dielectric constant | solid | 1 | 51 | View |
| dielectric constant | liquid | 11 | 61 | View |
| dipole moment | - | 2 | 2 | View |
| enthalpy function (-H(298)) | gas | 1 | 62 | View |
| enthalpy of formation | liquid | 2 | 2 | View |
| enthalpy of formation | gas | 6 | 67 | View |
| enthalpy of fusion | - | 5 | 5 | View |
| enthalpy of fusion | solid | 2 | 2 | View |
| enthalpy of sublimation | - | 3 | 10 | View |
| enthalpy of vaporization | - | 9 | 29 | View |
| entropy | gas | 6 | 67 | View |
| equilibrium constant of formation | gas | 1 | 62 | View |
| free energy function (-E(298)) | gas | 1 | 62 | View |
| free energy of formation | gas | 1 | 62 | View |
| free enthalpy function (-H(0)) | gas | 4 | 99 | View |
| free enthalpy of formation | gas | 4 | 4 | View |
| free enthalpy of formation | liquid | 1 | 1 | View |
| fusion pressure | - | 4 | 4 | View |
| fusion temperature | - | 8 | 8 | View |
| gross calorific value | liquid | 1 | 1 | View |
| gross calorific value | gas | 1 | 1 | View |
| heat capacity (cp) | liquid | 6 | 26 | View |
| heat capacity (cp) | gas | 13 | 179 | View |
| heat capacity (cp) | solid | 1 | 65 | View |
| melting point | - | 13 | 13 | View |
| molecular weight | - | 5 | 5 | View |
| net calorific value | gas | 1 | 1 | View |
| net calorific value | liquid | 1 | 1 | View |
| normal boiling point | - | 5 | 5 | View |
| pressure of sublimation | - | 5 | 50 | View |
| refractive index, Na-D-line | - | 1 | 1 | View |
| refractive index, Na-D-line | liquid | 1 | 1 | View |
| solution conductance | liquid | 3 | 36 | View |
| sublimation temperature | - | 8 | 60 | View |
| surface tension | liquid | 5 | 26 | View |
| thermal conductivity | liquid | 2 | 11 | View |
| thermal conductivity | gas | 7 | 28 | View |
| triple point | - | 1 | 1 | View |
| triple point pressure | - | 1 | 1 | View |
| triple point temperature | - | 1 | 1 | View |
| UNIQUAC area parameter | - | 1 | 1 | View |
| UNIQUAC volume parameter | - | 1 | 1 | View |
| vapor pressure | - | 31 | 207 | View |
| viscosity, dynamic | liquid | 10 | 69 | View |
| viscosity, dynamic | gas | 4 | 12 | View |
| volume | liquid | 1 | 1 | View |