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| CAS号 : | 86522-89-6 |
精确质量 : | 207.94900 |
| 分子式 : | C7H3Cl2FO2 |
logP : | 2.83070 |
| 分子量 : | 209.00200 |
PSA : | 37.30000 |
2,4-二氯-5-氟苯甲酸 | |
2,4-Dichloro-5-fluorobenzoic acid | |
86522-89-6 | |
C7H3Cl2FO2 | |
209.00200 | |
37.30000 | |
2.83070 | |
207.94900 |
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142.3ºC
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144-146 °C(lit.)
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1.606 g/cm3
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311.7ºC at 760 mmHg
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2916399090
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3
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R36/37/38
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S26-S37/39
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Xi
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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2916399090 其他芳香一元羧酸. 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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2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
1、间氟甲苯法经氟化、氧化而得。2、2,4-二氯氟苯法经乙酰化得2,4-二氯-5-氟苯乙酮；再经氧化得2,4-二氯-5-氟苯甲酸。3、2,4-二氯-5-氨基甲苯法以此为原料，经重氮化氟化、氯化、水解而得。 | |
用于环丙沙星、喹诺酮类抗菌药物的合成，也可经氯化合成2,3,4-三氯-5-氟苯甲酸医药中间体；还可用作液晶材料。 |
