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| CAS号 : | 7758-73-8 |
精确质量 : | 254.05800 |
| 分子式 : | C15H10O4 |
logP : | 2.87120 |
| 分子量 : | 254.23700 |
PSA : | 70.67000 |
5,7-二羟基-4-苯基香豆素 | |
5,7-dihydroxy-4-phenylchromen-2-one | |
7758-73-8 | |
C15H10O4 | |
254.23700 | |
70.67000 | |
2.87120 | |
254.05800 |
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210.5ºC
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227-233ºC(lit.)
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1.443g/cm3
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535.5ºC at 760mmHg
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2932209090
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R36/37/38
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S26-S36
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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 |
