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| CAS号 : | 2736-23-4 |
精确质量 : | 268.93200 |
| 分子式 : | C7H5Cl2NO4S |
logP : | 3.12010 |
| 分子量 : | 270.09000 |
PSA : | 105.84000 |
2,4-二氯-5-磺酰胺基苯甲酸 | |
2,4-Dichloro-5-sulfamoylbenzoic acid | |
2736-23-4 | |
C7H5Cl2NO4S | |
270.09000 | |
105.84000 | |
3.12010 | |
268.93200 |
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白色粉末
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Stable at room temperature in closed containers under normal storage and handling conditions.
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258.5ºC
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5.7E-11mmHg 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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230-232 °C (dec.)(lit.)
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1.744 g/cm3
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insoluble
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503.8ºC at 760 mmHg
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2935009090
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3
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R36/37/38
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S26-S37/39
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DG8100000
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Xi
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品名, 成分含量, 用途 |
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2935009090 其他磺（酰）胺. 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:35.0% |
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2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
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2935009090. Other sulphonamides. General tariff:6.5% |
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2935009090. Other sulphonamides. General tariff: |
用2，4-二氯苯甲酸以氯磺酸氯磺化，生成2，4-二氯-5-羧基苯磺酰氯，再以氨水胺化制得。 | |
医药中间体。 |
