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| CAS号 : | 98-71-5 |
精确质量 : | 188.02600 |
| 分子式 : | C6H8N2O3S |
logP : | 2.07300 |
| 分子量 : | 188.20400 |
PSA : | 100.80000 |
4-肼基苯磺酸水合物 | |
4-Hydrazinobenzenesulfonic acid | |
98-71-5 | |
C6H8N2O3S | |
188.20400 | |
100.80000 | |
2.07300 | |
188.02600 |
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黄色粉末
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Stable under normal temperatures and pressures.
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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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285°C
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1.583g/cm3
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2928000090
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R36/37/38
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S26; S36/37/39
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DB6900000
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Xi
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品名, 成分含量, 用途 |
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2928000090 其他肼（联氨）及胲（羟胺）的有机衍生物。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:20.0% |
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2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
以对氨基苯磺酸钠为原料,与水及30%的盐酸混合,冷却至2℃。然后在0-5℃滴加亚硝酸钠溶液,使对氨基苯磺酸钠重氮化。将上述重氮液加入氢氧化钠溶液和重亚硫酸钠的混合液中,加料温度控制在80-85℃,pH值保持6.2-6.7。加毕,继续搅拌1.5h,再加入锌粉、硅藻土、搅拌过滤。将此反应产物用酸处理,即得苯肼-4-磺酸。 | |
应用于染料中间体。 |
