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| CAS号 : | 1983-81-9 |
精确质量 : | 178.02700 |
| 分子式 : | C9H6O4 |
logP : | 1.20420 |
| 分子量 : | 178.14200 |
PSA : | 70.67000 |
4,7-二羟基香豆素 | |
4,7-dihydroxychromen-2-one | |
1983-81-9 | |
C9H6O4 | |
178.14200 | |
70.67000 | |
1.20420 | |
178.02700 |
|
1.711
|
|
|
166.5ºC
|
|
|
0mmHg at 25°C
|
|
|
1.612g/cm3
|
|
|
390ºC at 760mmHg
|
|
2932209090
|
品名, 成分含量, 用途 |
|
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% |
|
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|
2932209090. Other Lactones |