496-76-4
496-76-4 structure
- Name: 5-hydroxyuracil
- Chemical Name: 5-hydroxyuracil
- CAS Number: 496-76-4
- Molecular Formula: C4H4N2O3
- Molecular Weight: 128.086
- Catalog: analytical chemistry Standard Forensic and veterinary standards
- Create Date: 2018-04-20 08:00:00
- Modify Date: 2025-08-27 11:31:52
| Name | 5-hydroxyuracil |
|---|---|
| Synonyms |
Pyrimidinetriol
2,4,6-ThihydroxypyriMidine pyrimidine-2,4,5-triol Isobarbitursaeure 2,4,5-pyrimidinetriol 2,4(1H,3H)-Pyrimidinedione, 5-hydroxy- Isobarbituric Acid 2,4,5-Trihydroxypyrimidine,5-Hydroxyuracil,Isobarbituric acid 5-hydroxyuracil 2,4,5-Trihydroxypyrimidine Fluorouracil impurity B 5-hydroxyisouracil 5-Hydroxypyrimidine-2,4(1H,3H)-dione 5-Hydroxy-2,4(1H,3H)-pyrimidinedione TRIFLUOROACETIC ACID REAGENTPLUS EINECS 207-829-9 MFCD00082987 Isobarbituric acid (VAN) (8CI) |
| Density | 1.8±0.1 g/cm3 |
|---|---|
| Boiling Point | 534.5±53.0 °C at 760 mmHg |
| Melting Point | 300ºC |
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.086 |
| Flash Point | 277.0±30.9 °C |
| Exact Mass | 128.022186 |
| PSA | 85.95000 |
| LogP | -2.10 |
| Appearance | crystalline | light yellow |
| Vapour Pressure | 0.0±1.5 mmHg at 25°C |
| Index of Refraction | 1.719 |
| Water Solubility | Soluble in DMSO (Sparingly), Methanol (Sparingly). |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |