Introduction：Basic information about CAS 81721-86-0|7-NITRO-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 7-NITRO-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE |
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| CAS Number | 81721-86-0 | Molecular Weight | 194.14400 |
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| Density | 1.474g/cm3 | Boiling Point | 429.4ºC at 760 mmHg |
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| Molecular Formula | C8H6N2O4 | Melting Point | 232-234ºC |
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| MSDS | / | Flash Point | 213.5ºC |
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Names
| Name | 7-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 | 429.4ºC at 760 mmHg |
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| Melting Point | 232-234ºC |
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| Molecular Formula | C8H6N2O4 |
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| Molecular Weight | 194.14400 |
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| Flash Point | 213.5ºC |
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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 | YVGHCFMAEHXPBH-UHFFFAOYSA-N |
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| SMILES | O=C1COc2cc([N+](=O)[O-])ccc2N1 |
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Safety Information
| Risk Phrases | R20/21/22 |
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| Safety Phrases | 26-36/37/39 |
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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
| 7-nitro-4H-1,4-benzoxazin-3-one |
