Introduction：Basic information about CAS 4425-56-3|2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile |
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| CAS Number | 4425-56-3 | Molecular Weight | 137.096 |
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| Density | 1.7±0.1 g/cm3 | Boiling Point | 524.8±60.0 °C at 760 mmHg |
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| Molecular Formula | C5H3N3O2 | Melting Point | 303 °C(dec.) |
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| MSDS | USA | Flash Point | 271.2±32.9 °C |
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Names
| Name | 5-Cyanouracil |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.7±0.1 g/cm3 |
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| Boiling Point | 524.8±60.0 °C at 760 mmHg |
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| Melting Point | 303 °C(dec.) |
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| Molecular Formula | C5H3N3O2 |
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| Molecular Weight | 137.096 |
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| Flash Point | 271.2±32.9 °C |
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| Exact Mass | 137.022522 |
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| PSA | 89.51000 |
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| LogP | -1.82 |
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| Vapour Pressure | 0.0±1.4 mmHg at 25°C |
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| Index of Refraction | 1.670 |
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| InChIKey | HAUXRJCZDHHADG-UHFFFAOYSA-N |
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| SMILES | N#Cc1c[nH]c(=O)[nH]c1=O |
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | 20/22 |
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| Safety Phrases | 22-36/37 |
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| HS Code | 2933599090 |
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Customs
| HS Code | 2933599090 |
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| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 2,4-dioxo-1H-pyrimidine-5-carbonitrile |
| 2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile |
| 5-Pyrimidinecarbonitrile, 1,2,3,4-tetrahydro-2,4-dioxo- |
| 2,4-dihydroxypyrimidine-5-carbonitrile |
| 5-cyanouracil |
| 2,4-Dioxo-1,2,3,4-tetrahydro-5-pyrimidinecarbonitrile |
