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| CAS号 : | 625-52-5 |
精确质量 : | 88.06370 |
| 分子式 : | C3H8N2O |
logP : | 0.76580 |
| 分子量 : | 88.10840 |
PSA : | 55.12000 |
乙基脲 | |
Ethylurea | |
625-52-5 | |
C3H8N2O | |
88.10840 | |
55.12000 | |
0.76580 | |
88.06370 |
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米色至白色固体
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93 °C
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136.3ºC at 760 mmHg
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87-90 °C(lit.)
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1.005 g/cm3
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soluble
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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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YT2335000
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3
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S22-S24/25
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III
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1325
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Xn
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R68
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2924199090
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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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在甲苯存在下,尿素与乙胺反应制得。在反应釜中加入甲苯、尿素,加盖密封,搅拌加热到一定温度,随后通入定量的乙胺,通毕继续搅拌0.5h,冷至40～50℃,将物料放至结晶锅,继续冷至0～5℃,过滤,干燥,得白色鳞片状结晶为成品。 | |
用于医药、农药合成的中间体。 |
