20921-00-0
20921-00-0 structure
- Name: 6-bromochroman-2-one
- Chemical Name: 6-bromo-3,4-dihydrochromen-2-one
- CAS Number: 20921-00-0
- Molecular Formula: C9H7BrO2
- Molecular Weight: 227.055
- Create Date: 2018-08-21 19:05:38
- Modify Date: 2025-08-27 12:04:46
| Name | 6-bromo-3,4-dihydrochromen-2-one |
|---|---|
| Synonyms |
6-bromo-chroman-2-one
2H-1-Benzopyran-2-one, 6-bromo-3,4-dihydro- 6-bromo-3,4-dihydro-2H-1-benzopyran-2-one 2-oxo-6-bromo-chroman 6-Brom-chroman-2-on 6-bromo-3,4-dihydrocoumarin 6-Bromo-2-chromanone 6-bromochroman-2-one |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 329.5±31.0 °C at 760 mmHg |
| Molecular Formula | C9H7BrO2 |
| Molecular Weight | 227.055 |
| Flash Point | 153.1±24.8 °C |
| Exact Mass | 225.962936 |
| PSA | 26.30000 |
| LogP | 2.81 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.599 |
| HS Code | 2932209090 |
|---|
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~%
20921-00-0 |
| Literature: Barnes; Kraft; Gordon Journal of the American Chemical Society, 1949 , vol. 71, p. 3523,3527 |
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20921-00-0 |
| Literature: Barnes; Kraft; Gordon Journal of the American Chemical Society, 1949 , vol. 71, p. 3523,3527 |
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20921-00-0 |
| Literature: Barnes; Kraft; Gordon Journal of the American Chemical Society, 1949 , vol. 71, p. 3523,3527 |
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~%
20921-00-0 |
| Literature: Fittig; Hochstetter Justus Liebigs Annalen der Chemie, 1884 , vol. 226, p. 359 |
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20921-00-0 |
| Literature: Lasch Monatshefte fuer Chemie, 1913 , vol. 34, p. 1660 |
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20921-00-0 |
| Literature: Lasch Monatshefte fuer Chemie, 1913 , vol. 34, p. 1660 |
|
~51%
20921-00-0 |
| Literature: Zeitler, Kirsten; Rose, Christopher A. Journal of Organic Chemistry, 2009 , vol. 74, # 4 p. 1759 - 1762 |
| Precursor 5 | |
|---|---|
| DownStream 6 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |