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| CAS号 : | 3457-48-5 |
精确质量 : | 238.09900 |
| 分子式 : | C16H14O2 |
logP : | 3.36900 |
| 分子量 : | 238.28100 |
PSA : | 34.14000 |
4,4'-二甲基苯偶酰 | |
1,2-bis(4-methylphenyl)ethane-1,2-dione | |
3457-48-5 | |
C16H14O2 | |
238.28100 | |
34.14000 | |
3.36900 | |
238.09900 |
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1.58
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黄色结晶粉末
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168.6ºC
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211 °C (7 mmHg)
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102-104 °C(lit.)
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1.119 g/cm3
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3
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S24/25
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Xi
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R36/37/38
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2914399090
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914399090. 其他不含其他含氧基的芳香酮. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0% |
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2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
