Introduction：Basic information about CAS 3711-74-8|5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 5,6,7,8-Tetrahydro-1H-2-benzopyran-1,3(4H)-dione |
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| CAS Number | 3711-74-8 | Molecular Weight | 166.17400 |
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| Density | 1.24 g/cm3 | Boiling Point | 334℃ |
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| Molecular Formula | C9H10O3 | Melting Point | 46℃ |
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| MSDS | / | Flash Point | 163℃ |
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Names
| Name | 5,6,7,8-Tetrahydro-1H-isochromene-1,3(4H)-dione |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.24 g/cm3 |
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| Boiling Point | 334℃ |
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| Melting Point | 46℃ |
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| Molecular Formula | C9H10O3 |
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| Molecular Weight | 166.17400 |
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| Flash Point | 163℃ |
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| Exact Mass | 166.06300 |
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| PSA | 43.37000 |
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| LogP | 1.33050 |
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| InChIKey | UEJIAMUCVKWVCT-UHFFFAOYSA-N |
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| SMILES | O=C1CC2=C(CCCC2)C(=O)O1 |
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| Storage condition | 2-8℃ |
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Safety Information
Customs
| HS Code | 2918990090 |
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| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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Synonyms
| 5,6,7,8-tetrahydro-4H-isochromene-1,3-dione |
| 5,6,7,8-Tetrahydro-homophthalsaeureanhydrid |
