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| CAS号 : | 20189-42-8 |
精确质量 : | 139.06300 |
| 分子式 : | C7H9NO2 |
logP : | 0.69810 |
| 分子量 : | 139.15200 |
PSA : | 46.17000 |
3-乙基-4-甲基吡咯-2,5-二酮 | |
3-ethyl-4-methylpyrrole-2,5-dione | |
20189-42-8 | |
C7H9NO2 | |
139.15200 | |
46.17000 | |
0.69810 | |
139.06300 |
|
1.484
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119.3ºC
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|
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0.0179mmHg at 25°C
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1.116g/cm3
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|
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253.8ºC at 760mmHg
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2925190090
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品名, 成分含量, 用途 |
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2925190090 其他酰亚胺及其衍生物盐. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
