Introduction：Basic information about CAS 21577-50-4|2-Butenoic acid,2,3-dibromo-4-oxo-, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 2-Butenoic acid,2,3-dibromo-4-oxo- |
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| CAS Number | 21577-50-4 | Molecular Weight | 257.86500 |
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| Density | 2.43g/cm3 | Boiling Point | 321.8ºC at 760mmHg |
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| Molecular Formula | C4H2Br2O3 | Melting Point | / |
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| MSDS | / | Flash Point | 148.4ºC |
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Names
| Name | 2,3-dibromo-4-oxobut-2-enoic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 2.43g/cm3 |
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| Boiling Point | 321.8ºC at 760mmHg |
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| Molecular Formula | C4H2Br2O3 |
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| Molecular Weight | 257.86500 |
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| Flash Point | 148.4ºC |
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| Exact Mass | 255.83700 |
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| PSA | 54.37000 |
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| LogP | 1.27130 |
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| Vapour Pressure | 5.99E-05mmHg at 25°C |
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| Index of Refraction | 1.625 |
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| InChIKey | NCNYEGJDGNOYJX-NSCUHMNNSA-N |
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| SMILES | O=CC(Br)=C(Br)C(=O)O |
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Safety Information
Customs
| HS Code | 2918300090 |
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| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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Synonyms
| 2,3-dibromo-4-oxo-but-2-enoic acid |
| Dibrommaleinaldehydsaeure |
| 2,3-dibromo-4-oxo-crotonic acid |
| 2,3-Dibrom-4-oxo-crotonsaeure |
| 2,3-Dibromo-4-Oxo-2-Butenoic Acid |
| 2,3-Dibromo-4-oxobut-2-enoic acid |
| 2,3-dibromomalealdehydic acid |
