Introduction：Basic information about CAS 1983-81-9|2H-1-Benzopyran-2-one,4,7-dihydroxy-, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 2H-1-Benzopyran-2-one,4,7-dihydroxy- |
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| CAS Number | 1983-81-9 | Molecular Weight | 178.14200 |
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| Density | 1.612g/cm3 | Boiling Point | 390ºC at 760mmHg |
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| Molecular Formula | C9H6O4 | Melting Point | 263 °C(dec.) |
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| MSDS | ChineseUSA | Flash Point | 166.5ºC |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | 4,7-dihydroxychromen-2-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.612g/cm3 |
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| Boiling Point | 390ºC at 760mmHg |
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| Melting Point | 263 °C(dec.) |
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| Molecular Formula | C9H6O4 |
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| Molecular Weight | 178.14200 |
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| Flash Point | 166.5ºC |
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| Exact Mass | 178.02700 |
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| PSA | 70.67000 |
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| LogP | 1.20420 |
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| Vapour Pressure | 0mmHg at 25°C |
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| Index of Refraction | 1.711 |
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| InChIKey | CYSRKZFPSNZSCS-UHFFFAOYSA-N |
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| SMILES | O=c1cc(O)c2ccc(O)cc2o1 |
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Safety Information
| Symbol |
GHS07 |
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| Signal Word | Warning |
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| Hazard Statements | H302-H319 |
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| Precautionary Statements | P305 + P351 + P338 |
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| Hazard Codes | Xi |
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| RIDADR | NONH for all modes of transport |
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| HS Code | 2932209090 |
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Customs
| HS Code | 2932209090 |
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| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Articles1
More Articles
| Multiple UDP-glucuronosyltransferases in human liver microsomes glucuronidate both R- and S-7-hydroxywarfarin into two metabolites. Arch. Biochem. Biophys. 564 , 244-53, (2014) The widely used anticoagulant Coumadin (R/S-warfarin) undergoes oxidation by cytochromes P450 into hydroxywarfarins that subsequently become conjugated for excretion in urine. Hydroxywarfarins may mod... | |
Synonyms
| 4,7-dihydroxy-2H-1-benzopyran-2-one |
| 4,7-Dihydroxycoumarin |
| Coumarin,4,7-dihydroxy |
| 4,7-dihydroxy-2H-chromen-2-one |
| 4,7-Dihydroxy-cumarin |
| 4,7-Dihydroxy-coumarin |
| 4,7-dihydroxy-chromen-2-one |
| 4,7-Dihydroxy-2-oxo-2H-1-benzopyran |
| 2H-1-BENZOPYRAN-2-ONE,4,7-DIHYDROXY |
| 2,7-dihydroxychromen-4-one |
