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| CAS号 : | 51-79-6 |
精确质量 : | 89.04770 |
| 分子式 : | C3H7NO2 |
logP : | 0.80190 |
| 分子量 : | 89.09320 |
PSA : | 52.32000 |
氨基甲酸乙酯 | |
urethane | |
51-79-6 | |
C3H7NO2 | |
89.09320 | |
52.32000 | |
0.80190 | |
89.04770 |
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1.4144 (51ºC)
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3.07 (vs air)
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白色结晶粉末
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198 °F
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182-184 °C(lit.)
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48-50 °C(lit.)
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slightly soluble
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1.10
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Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.
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10 mm Hg ( 77.8 °C)
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Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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FA8400000
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3
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S53-S45
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2924199090
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T
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R45
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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>硝酸与尿素反应生成硝酸尿素,然后加乙醇、亚硝酸钠,在硫酸存在下,进行酯化反应,生成尿烷和硝酸钠,反应产物经过滤除去硝酸钠,再经蒸馏、结晶、干燥,制得成品。</p> | |
<p>该品用作医药、农药、香料的中间体,用于生产安眠药、镇静剂。用作马钱子碱、间苯二酚的解毒剂、杀菌剂、注射剂的助溶剂和印染工业着色剂,也可用于生物化学研究。此外,尿烷本身可作成药使用,具有抗癌性能,用于治疗多发性骨髓瘤和慢性白血病等。</p> |
