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| CAS号 : | 527-73-1 |
精确质量 : | 113.02300 |
| 分子式 : | C3H3N3O2 |
logP : | 0.84110 |
| 分子量 : | 113.07500 |
PSA : | 74.50000 |
2-硝基咪唑 | |
2-nitroimidazole | |
527-73-1 | |
C3H3N3O2 | |
113.07500 | |
74.50000 | |
0.84110 | |
113.02300 |
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黄色橙色粉末
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1.612
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Stable at room temperature in closed containers under normal storage and handling conditions.
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179.7ºC
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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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287 °C (dec.)(lit.)
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1.552 g/cm3
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insoluble
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373.6ºC at 760 mmHg
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III
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6.1
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2933990090
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UN 2811 6.1/PG 3
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3
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R22; R36/37/38
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S26-S36
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NI7875000
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Xn
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2933990090. Heterocyclic compounds with nitrogen hetero-atom(s) only |
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品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期 |
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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% |
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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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将氨基乙缩醛S-甲基异硫及水混匀,搅拌加热,减压蒸干,残留物加甲醇溶解,然后滴加丙酮,得白色结晶N-(2,2-二乙氧基乙基)胍硫酸盐,收率84.4%。取N-(2,2-二乙氧基乙基)胍硫酸盐和浓盐酸混合,搅拌加热回流,反应毕,加蒸馏水减压蒸干,再加水蒸干,残留物用无水乙醇溶解,然后滴加无水乙醚,得白色固体2-氨基咪唑,收率64.5%。2-氨基咪唑,加入氟硼酸及水,冷至-15℃以下,搅拌下滴加硝酸钠和水配成的溶液。加毕,继续搅拌。将反应生成的棕绿色溶液倒入五水合硫酸铜溶液中,边加边搅,再加入亚硝酸钠继续搅拌,反应毕,加浓盐酸调pH至2,用乙酸酯提取,提取液经无水硫酸钠干燥后回收乙酸乙酯至尽,残留物用乙醇重结晶,得2-硝基咪唑。 | |
肿瘤放疗增敏剂米索硝唑的中间体。 |
![3-[2-羟基-3-(2-硝基咪唑-1-基)丙基]-1,3-恶唑烷-2-酮](https://www.chemicalbook.com/CAS/GIF/129449-06-5.gif)