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| CAS号 : | 938-73-8 |
精确质量 : | 165.07900 |
| 分子式 : | C9H11NO2 |
logP : | 1.88450 |
| 分子量 : | 165.18900 |
PSA : | 52.32000 |
2-乙氧基苯甲酰胺 | |
2-Ethoxybenzamide | |
938-73-8 | |
C9H11NO2 | |
165.18900 | |
52.32000 | |
1.88450 | |
165.07900 |
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1.538
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白色或近乎于白色结晶粉末近乎于无气味
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153.7ºC
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302ºC at 760 mmHg
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129-134 °C
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1.111 g/cm3
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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. No special precautions indicated.
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CU4381000
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29242995
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S24/25
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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% |
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<p>由水杨酰胺(C7H7NO2,[65-45-2])经乙基化而得。将水杨酰胺、固体氢氧化钠、乙醇置于反就锅内,密闭升温至60-70℃,搅拌30min,冷却至30℃,加入溴乙烷,再密闭升温至80-100℃,压力不超过0.2MPa,反应3h。降至常压,pH应在8.5以上。趁热过滤,滤渣溴化钠回收。滤液蒸出大部分乙醇后,加蒸馏水析出白色结晶。过滤,水洗至中性,干燥,得邻乙氧基苯甲酰胺。收率约75%。也可采用氯乙烷代替溴乙烷进行乙基化反应,但需要较高压力。</p> | |
<p>用作解热镇痛药，用于治疗发热、头痛、神经痛、关节痛、类风湿性关节炎、牙痛、痛经等病症。</p> |
