Introduction：Basic information about CAS 4352-89-0|3H-naphtho(2,1-b)pyran-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3H-naphtho(2,1-b)pyran-3-one |
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| CAS Number | 4352-89-0 | Molecular Weight | 196.20100 |
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| Density | 1.297 | Boiling Point | 402.6ºC at 760 mmHg |
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| Molecular Formula | C13H8O2 | Melting Point | 117－119ºC |
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| MSDS | / | Flash Point | 169.7ºC |
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Names
| Name | 3H-naphtho(2,1-b)pyran-3-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.297 |
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| Boiling Point | 402.6ºC at 760 mmHg |
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| Melting Point | 117－119ºC |
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| Molecular Formula | C13H8O2 |
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| Molecular Weight | 196.20100 |
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| Flash Point | 169.7ºC |
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| Exact Mass | 196.05200 |
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| PSA | 30.21000 |
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| LogP | 2.94620 |
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| Index of Refraction | 1.687 |
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| InChIKey | FXRDPPFLWGSMQT-UHFFFAOYSA-N |
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| SMILES | O=c1ccc2c(ccc3ccccc32)o1 |
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Safety Information
Customs
| HS Code | 2914399090 |
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| Summary | 2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
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Synonyms
| naphthopyran-2-one |
| naphthopiranone |
| 5,6-benzocoumarin |
