591-28-6
4-Thiouracil
CAS: 591-28-6
Molecular Formula: C4H4N2OS
591-28-6 - Names and Identifiers
| Name | 4-Thiouracil |
| Synonyms | 4-Thiouracil 4-thiouracyl 4-Thioxo-1H-pyrimidin-2-one 2(1H)-Pyrimidinone, 3,4-dihydro-4-thioxo- (9CI) 4-sulfanylidene-1,2,3,4-tetrahydropyriMidin-2-one |
| CAS | 591-28-6 |
| InChI | InChI=1/C4H4N2OS/c7-4-5-2-1-3(8)6-4/h1-2H,(H2,5,6,7,8) |
591-28-6 - Physico-chemical Properties
| Molecular Formula | C4H4N2OS |
| Molar Mass | 128.15 |
| Density | 1.368 (estimate) |
| Melting Point | 295 °C (dec.) (lit.) |
| Solubility | 1 M NaOH: soluble50mg/mL |
| Appearance | Powder |
| Color | Yellow |
| pKa | 5.38±0.20(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.7000 (estimate) |
| MDL | MFCD00090842 |
591-28-6 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | 36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29335990 |
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