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| CAS号 : | 50-45-3 |
精确质量 : | 189.95900 |
| 分子式 : | C7H4Cl2O2 |
logP : | 2.69160 |
| 分子量 : | 191.01100 |
PSA : | 37.30000 |
2,3-二氯苯甲酸 | |
2,3-Dichlorobenzoic acid | |
50-45-3 | |
C7H4Cl2O2 | |
191.01100 | |
37.30000 | |
2.69160 | |
189.95900 |
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白色粉末或针状形态结晶
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139.4ºC
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306.9ºC at 760 mmHg
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168-170 °C(lit.)
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1.517 g/cm3
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slightly soluble
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DG6475000
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2
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S26-S37/39-S36-S24/25
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Xi
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R36/37/38
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2916399090
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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: |
用2,3-二氯苯胺经重氮化、迈尔瓦音反应制得2,3-二氯苯甲醛,再经高锰酸钾氧化制得2,3-二氯苯甲酸,总收率45% | |
医药中间体。 |
