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| CAS号 : | 1806-23-1 |
精确质量 : | 234.02500 |
| 分子式 : | C13H8ClFO |
logP : | 3.71010 |
| 分子量 : | 234.65300 |
PSA : | 17.07000 |
2-氯-4'-氟二苯甲酮 | |
(2-chlorophenyl)-(4-fluorophenyl)methanone | |
1806-23-1 | |
C13H8ClFO | |
234.65300 | |
17.07000 | |
3.71010 | |
234.02500 |
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白色晶体
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1.577
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157.8ºC
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0.000106mmHg at 25°C
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60-62°C
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1.277 g/cm3
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337.3ºC at 760 mmHg
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2914700090
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R21
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S28
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Xi
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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: |
其制备方法是将氟苯和无水三氯化铝置于反应釜中,在低温下滴加2-氯苯甲酰氯,同时搅拌,滴加完后升温至回流,继续反应数小时,冷却到室温滴加HCl,控制pH=3～4,分层,油层干燥、蒸馏得4-氟-2-氯二苯酮。 | |
4-氟-2′-氯二苯酮是杀菌剂氟苯嘧啶醇的中间体。 |
