System: 3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione
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| 1) 3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione | |
|---|---|
| DECHEMA ID | 32438 |
| Formula | C7H8N4O2 |
| Synonym | thophylline |
| Synonym | 1,3-dimethylxanthine |
| Synonym | theophylline |
| Synonym | 1,3-dimethyl-2,6-dihydroxypurine |
| Synonym | 1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropurine |
| InChi-Key | ZFXYFBGIUFBOJW-UHFFFAOYSA-N |
| Registry No. | 58-55-9 |
Available physical property data:
| Property | Phase | No. of tables | No. of lines | Data |
|---|---|---|---|---|
| density | solid | 1 | 1 | View |
| density | liquid | 1 | 1 | View |
| enthalpy of combustion | solid | 1 | 1 | View |
| enthalpy of formation | gas | 1 | 1 | View |
| enthalpy of formation | solid | 1 | 1 | View |
| enthalpy of fusion | - | 21 | 21 | View |
| enthalpy of phase transition | solid | 1 | 1 | View |
| enthalpy of phase transition | - | 1 | 1 | View |
| enthalpy of sublimation | - | 8 | 10 | View |
| entropy of fusion | - | 6 | 6 | View |
| fusion pressure | - | 1 | 1 | View |
| fusion temperature | - | 33 | 33 | View |
| heat capacity (cp) | solid | 1 | 132 | View |
| melting point | - | 4 | 4 | View |
| octanol/water partition coefficient | - | 5 | 5 | View |
| pressure of sublimation | - | 6 | 57 | View |
| sublimation temperature | - | 10 | 47 | View |
| temperature of phase transition | solid | 1 | 1 | View |
| vapor pressure | - | 3 | 19 | View |
| volume | solid | 1 | 1 | View |