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| CAS号 : | 579-39-5 |
精确质量 : | 246.04900 |
| 分子式 : | C14H8F2O2 |
logP : | 3.03040 |
| 分子量 : | 246.20900 |
PSA : | 34.14000 |
二氟苯偶酰 | |
4,4'-DIFLUOROBENZIL | |
579-39-5 | |
C14H8F2O2 | |
246.20900 | |
34.14000 | |
3.03040 | |
246.04900 |
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1.562
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淡黄色粉末
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141.5ºC
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370.2ºC at 760 mmHg
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120-122 °C(lit.)
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1.304 g/cm3
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3
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S26-S37/39
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Xi
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R36/37/38
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2914700090
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914700090 其他酮及醌的卤化、磺化衍生物（包括硝化和亚硝化衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
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2914700090. Halogenated, sulphonated, nitrated or nitrosated derivatives of Ketones and quinones, whether or not with other oxygen function. General tariff: |
