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| CAS号 : | 4139-61-1 |
精确质量 : | 239.94200 |
| 分子式 : | C9H5BrO3 |
logP : | 2.26110 |
| 分子量 : | 241.03800 |
PSA : | 50.44000 |
6-溴-4-羟基香豆素 | |
6-bromo-4-hydroxychromen-2-one | |
4139-61-1 | |
C9H5BrO3 | |
241.03800 | |
50.44000 | |
2.26110 | |
239.94200 |
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1.69
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199.2ºC
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298ºC (dec.)
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1.879g/cm3
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405.8ºC at 760mmHg
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2932209090
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R20/21/22
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S26; S36/37/39
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Xi
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品名, 成分含量, 用途 |
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2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% |
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2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2932209090. Other Lactones |
