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| CAS号 : | 98-64-6 |
精确质量 : | 190.98100 |
| 分子式 : | C6H6ClNO2S |
logP : | 2.76850 |
| 分子量 : | 191.63500 |
PSA : | 68.54000 |
4-氯苯磺酰胺 | |
4-Chlorobenzenesulfonamide | |
98-64-6 | |
C6H6ClNO2S | |
191.63500 | |
68.54000 | |
2.76850 | |
190.98100 |
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1.59
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白色粉末
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库房低温通风干燥
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160.8ºC
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342.2ºC at 760mmHg
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140-144 °C(lit.)
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1.47g/cm3
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Stable at room temperature in closed containers under normal storage and handling conditions.
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DB1400000
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2
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S26-S36-S24/25
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Xi
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R36/37/38
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2935009090
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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: |
由对氯苯磺酸钠经氯磺化、胺化而得。在对氯苯磺酸钠加入氯磺酸中,在40-42℃保温0.5h,在60℃保温3h。然后冷至室温滴加到冰水中,于15℃以下过滤,洗涤至pH为5.5-6,得对氯苯磺酰氯。将其加入10℃以下的氨水中。于40-42℃保温2h,冷却结晶,过滤,洗涤得对氯苯磺酰胺。收率为75%。 | |
用作医药对氯苯磺酰肼的中间体。 |
