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| CAS号 : | 20525-20-6 |
精确质量 : | 299.97900 |
| 分子式 : | C15H9BrO2 |
logP : | 4.22250 |
| 分子量 : | 301.13500 |
PSA : | 30.21000 |
4,-Bromoflavone | |
2-(4-bromophenyl)chromen-4-one | |
20525-20-6 | |
C15H9BrO2 | |
301.13500 | |
30.21000 | |
4.22250 | |
299.97900 |
|
1.656
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199.7ºC
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8.07E-07mmHg at 25°C
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174-176ºC
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1.54g/cm3
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406.6ºC at 760 mmHg
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2914700090
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914700090 其他酮及醌的卤化、磺化衍生物（包括硝化和亚硝化衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
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2914700090. Halogenated, sulphonated, nitrated or nitrosated derivatives of Ketones and quinones, whether or not with other oxygen function. General tariff: |
