Introduction：Basic information about CAS 491-38-3|Chromone, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Chromone |
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| CAS Number | 491-38-3 | Molecular Weight | 146.143 |
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| Density | 1.2±0.1 g/cm3 | Boiling Point | 238.5±33.0 °C at 760 mmHg |
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| Molecular Formula | C9H6O2 | Melting Point | 55-60 °C(lit.) |
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| MSDS | / | Flash Point | 106.5±18.9 °C |
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Names
| Name | chromone |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.2±0.1 g/cm3 |
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| Boiling Point | 238.5±33.0 °C at 760 mmHg |
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| Melting Point | 55-60 °C(lit.) |
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| Molecular Formula | C9H6O2 |
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| Molecular Weight | 146.143 |
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| Flash Point | 106.5±18.9 °C |
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| Exact Mass | 146.036774 |
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| PSA | 30.21000 |
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| LogP | 1.38 |
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| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
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| Index of Refraction | 1.595 |
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| InChIKey | OTAFHZMPRISVEM-UHFFFAOYSA-N |
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| SMILES | O=c1ccoc2ccccc12 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- GB7887000
- CHEMICAL NAME :
- Chromone
- CAS REGISTRY NUMBER :
- 491-38-3
- BEILSTEIN REFERENCE NO. :
- 0114087
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C9-H6-O2
- MOLECULAR WEIGHT :
- 146.15
- WISWESSER LINE NOTATION :
- T66 BO EVJ
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 91 mg/kg
- TOXIC EFFECTS :
- Behavioral - anticonvulsant
- REFERENCE :
- PMDCAY Progress in Medical Chemistry. (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.1- 1961- Volume(issue)/page/year: 9,65,1973
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Safety Information
| Hazard Codes | Xn |
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| Risk Phrases | 22 |
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| Safety Phrases | S36/37/39-S26 |
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| WGK Germany | 3 |
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| RTECS | GB7887000 |
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| HS Code | 2932999099 |
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Customs
| HS Code | 2932999099 |
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| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 1-Benzopyran-4-one |
| 2,3-Benzo-4-pyrone |
| Benzo-γ-pyrone |
| 1,4-benopyrone |
| 4H-Chromen-4-one |
| T66 BO EVJ |
| 1,4-benzopyrone |
| 4-oxo-4H-1-benzopyran |
| Benzo-g-pyrone |
| benzopyran-4-one |
| EINECS 207-737-9 |
| 4H-Benzo(b)pyran-4-one |
| MFCD00024064 |
| 4-Chromone |
| Chromone |
| 4H-1-Benzopyran-4-one |
| 4H-benzo[b]pyran-4-one |
| Chromen-4-one |
