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| CAS号 : | 99-56-9 |
精确质量 : | 153.05400 |
| 分子式 : | C6H7N3O2 |
logP : | 2.44480 |
| 分子量 : | 153.13900 |
PSA : | 97.86000 |
4-硝基邻苯二胺 | |
4-nitro-1,2-phenylenediamine | |
99-56-9 | |
C6H7N3O2 | |
153.13900 | |
97.86000 | |
2.44480 | |
153.05400 |
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1.708
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橙色-红色粉末
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库房通风低温干燥
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208.5ºC
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421.1ºC at 760 mmHg
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199-201 °C(lit.)
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1.2 g/L (20 ºC)
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1.446g/cm3
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Stable. Incompatible with strong acids, strong reducing agents, strong oxidizing agents, acid chlorides, acid anhydrides.
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GHS07 | |
警告 | |
H302; H317 | |
P280 | |
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ST2975000
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6.1
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3
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S36/37-S45
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II
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2811
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2921519090
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Xn
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R22; R68
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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% |
<p>将23.8g2,4-二硝基苯胺、240ml95%乙醇及120ml浓氨水的混合物加热到45℃,搅拌下通入硫化氢气体,维持在45-55℃反应。反应毕,冷却,析出4-硝基邻苯二胺。将过滤得到的粗品溶于盐酸,加活性炭脱色,趁热过滤,滤液用浓氨水中和,过滤,水洗,干燥,即得成品,收率52-58%。</p> | |
<p>染发剂中间体。</p> |
