您好，欢迎来到魔法化学网！
| 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 |
|
1.708
|
|
|
橙色-红色粉末
|
|
|
库房通风低温干燥
|
|
|
208.5ºC
|
|
|
421.1ºC at 760 mmHg
|
|
|
199-201 °C(lit.)
|
|
|
1.2 g/L (20 ºC)
|
|
|
1.446g/cm3
|
|
|
Stable. Incompatible with strong acids, strong reducing agents, strong oxidizing agents, acid chlorides, acid anhydrides.
|
GHS07 | |
警告 | |
H302; H317 | |
|
ST2975000
|
|
|
6.1
|
|
|
3
|
|
|
S36/37-S45
|
|
|
II
|
|
|
2811
|
|
|
2921519090
|
|
|
Xn
|
|
|
R22; R68
|
品名, 成分含量, 用途 |
|
2921519090. 间-、对-苯二胺、二氨基甲苯等〔包括衍生物及它们的盐〕. 增值税率:17.0%. 退税率:17.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
|
2921519090. o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0% |
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%。 | |
染发剂中间体。 |
