![3H-Naphtho[2,1-b]pyran-3-one structure, CAS 4352-89-0](/structures/40000/30805_1_4352_89_0.png)
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 4352-89-0 |
| Catalog No. | 2A-9030805 |
| Chinese Name | 3H-萘并[2,1-b]吡喃-3-酮 |
| Synonyms | naphthopyran-2-one; naphthopiranone; 5,6-benzocoumarin |
| Molecular Formula | C18H11NO2 |
| Molecular Weight | 273.294 |
| Purity | 98.00 |
| Density | 1.297 |
| Boiling Point | 402.6ºC at 760 mmHg |
| Melting Point | 117-119ºC |
| HTC | 2914399090 |
| MDL Number | MFCD18430408 |
| SMILES | O=c1ccc2c(ccc3ccccc32)o1 |
| InChI | InChI=1S/C13H8O2/c14-13-8-6-11-10-4-2-1-3-9(10)5-7-12(11)15-13/h1-8H |
| InChI Key | FXRDPPFLWGSMQT-UHFFFAOYSA-N |
| MSDS | msds/30805_1_4352_89_0.pdf |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 5.5%. Ordinary tariff: 30.0% |
| Transport Info | Product name: 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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