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| CAS号 : | 4263-52-9 |
精确质量 : | 209.89600 |
| 分子式 : | C2H4BrNaO3S |
logP : | 1.00730 |
| 分子量 : | 211.01000 |
PSA : | 65.58000 |
2-溴乙基磺酸钠 | |
Sodium 2-bromoethanesulphonate | |
4263-52-9 | |
C2H4BrNaO3S | |
211.01000 | |
65.58000 | |
1.00730 | |
209.89600 |
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白色至灰白色晶体粉末
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283 °C (dec.)(lit.)
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2.026g/cm3
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500 g/L (20 ºC)
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Stable at room temperature in closed containers under normal storage and handling conditions.
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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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3
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29049020
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S26-S36-S37/39
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Xi
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R36/37/38
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
向加热至沸的1,2-二溴乙烷、乙醇和水的混合物中，滴加无水亚硫酸钠的水溶液，加料后继续回流2h，然后蒸出乙醇和未反应的1,2-二溴乙烷。将乙醇加入上述蒸馏剩余物，使2-溴乙磺酸钠从溴化钠和未反应的亚硫酸钠中提取出来，提取时将混合物煮沸，提取液冷却后即结晶出2-溴乙磺酸钠，产率78-90%。 | |
医药中间体。 |
