| Product Name | 1-hydroxy-1H-pyrrole-2,5-dione |
| CAS No. | 4814-74-8 |
| Synonyms | 1-Hydroxy-1H-pyrrole-2,5-dione; N-Hydroxymaleimide |
| InChI | InChI=1/C4H3NO3/c6-3-1-2-4(7)5(3)8/h1-2,8H |
| Molecular Formula | C4H3NO3 |
| Molecular Weight | 113.0715 |
| Density | 1.793g/cm3 |
| Melting point | 129-134℃ |
| Boiling point | 276.8°C at 760 mmHg |
| Flash point | 121.2°C |
| Refractive index | 1.666 |
| Hazard Symbols |  C:Corrosive; |
| Risk Codes | R20/21/22:; R34:; |
| Safety | S26:; S36/37/39:; S45:; |
4814-74-8 1-hydroxy-1h-pyrrole-2,5-dione
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