4233-33-4
4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione
CAS: 4233-33-4
Molecular Formula: C8H5N3O2
4233-33-4 - Names and Identifiers
| Name | 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione |
| Synonyms | PTAD NSC 150362 AURORA KA-3851 4-phenyl-1,2,4-triazole-3,5-dione 4-Phenyl-1,2,4-triazole-3,5-dione 4-Phenyl-1,2,4-triazoline-3,5-dione 4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE 4-PHENYL-3H-1,2,4-TRIAZOLINE-3,5-DIONE 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione 3H-1,2,4-Triazole-3,5(4H)-dione, 4-phenyl- 4-PHENYL-3,5-DIHYDRO-4ETA-1,2,4-TRIAZOLE-3,5-DIONE |
| CAS | 4233-33-4 |
| EINECS | 224-191-7 |
| InChI | InChI=1/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H |
| InChIKey | ISULLEUFOQSBGY-UHFFFAOYSA-N |
4233-33-4 - Physico-chemical Properties
| Molecular Formula | C8H5N3O2 |
| Molar Mass | 175.14 |
| Density | 1.47±0.1 g/cm3(Predicted) |
| Melting Point | 165-170°C (dec.)(lit.) |
| Boling Point | 263.8±23.0 °C(Predicted) |
| Flash Point | 113.4°C |
| Solubility | Chloroform (Sparingly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Sli |
| Vapor Presure | 0.0101mmHg at 25°C |
| Appearance | Solid |
| Color | Red to Dark Red |
| BRN | 141548 |
| pKa | -1.71±0.20(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Sensitive to air |
| Refractive Index | 1.701 |
| MDL | MFCD00003148 |
| Physical and Chemical Properties | Rose Red solid |
| Use | Highly selective reagents for the oxidation of thiols to disulfides. Ureazole is synthesized by [3 2] cycloaddition reaction under the action of allylsilane compounds. |
4233-33-4 - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 29339900 |
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