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| CAS号 : | 98-66-8 |
精确质量 : | 191.96500 |
| 分子式 : | C6H5ClO3S |
logP : | 2.66750 |
| 分子量 : | 192.62000 |
PSA : | 62.75000 |
4-氯苯磺酸 | |
4-Chlorobenzenesulfonic acid | |
98-66-8 | |
C6H5ClO3S | |
192.62000 | |
62.75000 | |
2.66750 | |
191.96500 |
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淡灰色晶体
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108ºC
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149 °C22 mm Hg(lit.)
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102 °C
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1.551g/cm3
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Stable. Incompatible with strong oxidizing agents.
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Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area.
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DB5074000
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8
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3
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S26-S27-S28-S36/37/39-S45-S24/25
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III
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UN 2583 8/PG 2
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C
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R22; R34
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2904909090
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品名, 成分含量, 用途 |
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2904909090 其他烃的磺化、硝化、亚硝化衍生物（不论是否卤化）. 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:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
(1)由对氨基苯磺酸经重氮化、消除而得将对氨基苯磺酸、盐酸加入水中,冷却至20℃以下,滴加亚硝酸钠溶液,反应到终点即得重氮液。另将硫酸铜、氯化钠加入约80℃的水中,待全部溶解后滴加碱性亚硫酸钠溶液。加毕反应20min,冷至室温,静置,将沉淀用倾泻法清洗,加盐酸溶解,冷至0℃以下,滴加上述重氮液,即生成对氯苯磺酸。将反应液升温至80℃,加食盐盐析,过滤可得对氯苯磺酸钠。 | |
用作医药、染料中间体。 |
