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| CAS号 : | 2234-16-4 |
精确质量 : | 187.98000 |
| 分子式 : | C8H6Cl2O |
logP : | 3.19600 |
| 分子量 : | 189.03900 |
PSA : | 17.07000 |
2,4-二氯苯乙酮 | |
1-(2,4-dichlorophenyl)ethanone | |
2234-16-4 | |
C8H6Cl2O | |
189.03900 | |
17.07000 | |
3.19600 | |
187.98000 |
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白色至灰白色晶体
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n20/D 1.5635(lit.)
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Stable under normal temperatures and pressures.
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>230 °F
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0.0268mmHg at 25°C
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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33-34 °C(lit.)
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1.32
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ca. 200 mg/L
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140-150 °C15 mm Hg(lit.)
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2914700090
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2
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R22; R52/53
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S26-S39-S61
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Xn
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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: |
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其制备方法是在反应瓶中加入间二氯苯，升温至50℃，搅拌下加入适量的无水三氯化铝，保持温度50℃，滴加乙酰氯，滴完后逐渐升温至100℃，并在该温度下搅拌8h，反应结束后，在反应液中加入二氯甲烷并倒入水中，放置冷却，分出油层，水层用二氯甲烷萃取，并入有机层，用水洗涤有机层，干燥，蒸去溶剂减压蒸馏，收集160～180℃/0.01 | |
酮康唑的中间体。 |
