Introduction：Basic information about CAS 81721-87-1|6-Nitro-2H-1,4-benzoxazin-3(4H)-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 6-Nitro-2H-1,4-benzoxazin-3(4H)-one |
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| CAS Number | 81721-87-1 | Molecular Weight | 194.14400 |
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| Density | 1.474g/cm3 | Boiling Point | 424.3ºC at 760 mmHg |
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| Molecular Formula | C8H6N2O4 | Melting Point | 236-240ºC |
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| MSDS | / | Flash Point | 210.4ºC |
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Names
| Name | 6-Nitro-2H-1,4-benzoxazin-3(4H)-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.474g/cm3 |
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| Boiling Point | 424.3ºC at 760 mmHg |
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| Melting Point | 236-240ºC |
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| Molecular Formula | C8H6N2O4 |
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| Molecular Weight | 194.14400 |
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| Flash Point | 210.4ºC |
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| Exact Mass | 194.03300 |
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| PSA | 84.15000 |
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| LogP | 1.58690 |
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| Index of Refraction | 1.606 |
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| InChIKey | UNYXDJBNODSRRC-UHFFFAOYSA-N |
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| SMILES | O=C1COc2ccc([N+](=O)[O-])cc2N1 |
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | 36/37/38 |
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| Safety Phrases | 26-36 |
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| HS Code | 2934999090 |
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Customs
| HS Code | 2934999090 |
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| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 6-nitro-4H-1,4-benzoxazin-3-one |
