MUSCAT CHEMICAL TAG::
Barbituric acid or malonylurea or 6-hydroxyuracil is an organic compound based on a pyrimidine heterocyclic skeleton. It is an odorless powder soluble in water.
Barbituric acid is the parent compound of barbiturate drugs, although barbituric acid itself is not pharmacologically active.
Physical state at 20 °C : | Liquid |
Odour : | Strong, vinegar-like |
Odour threshold : | No data available. |
pH value : | No data available. |
Melting point [°C] : | 16.2 °C |
Decomposition point [°C] : | N/A |
Critical temperature [°C] : | N/A |
Auto-ignition temperature [°C] : | 485 °C |
Flammability (solid, gas) : | N/A |
Flammable liquid and vapour. | Flammable liquid and vapour. |
Flash point [°C] : | 40°C |
Boiling point [°C] : | 117 - 118 °C |
Initial boiling point [°C] : | 117°C |
Final boiling point [°C] : | 118°C |
Evaporation rate : | 0,97 |
Vapour pressure [20°C] : | 15.2 hPa at 20°C |
Vapour pressure mm/Hg : | N/A |
Vapour density : | 2,1 |
Density [g/cm3] : | 1,049 |
Relative density, gas (air=1) : | N/A |
Relative density, liquid (water=1) : | N/A |
Solubility in water [% weight] : | Complete |
Solubility in water : | N/A |
Log Pow octanol / water at 20°C : | No data available. |
Solubility : | 2,4 |
Viscosity at 40°C [mm2/s] : | N/A |
Explosive properties : | N/A |
Explosion limits - upper [%] : | 19,90% |
Explosion limits - lower [%] : | 4% |
Oxidising properties : | No data available. |
Barbituric acid or malonylurea or 6-hydroxyuracil is an organic compound based on a pyrimidine heterocyclic skeleton. It is an odorless powder soluble in water.
Barbituric acid and its derivatives are known as Tranquilizers. The ones which are used most commonly – Veronal, Seconal and Luminal. These drugs are also called psychotherapeutic drugs.