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| CAS号 : | 1817-73-8 |
精确质量 : | 260.93900 |
| 分子式 : | C6H4BrN3O4 |
logP : | 3.47530 |
| 分子量 : | 262.01800 |
PSA : | 117.66000 |
2-溴-4,6-二硝基苯胺 | |
2-Bromo-4,6-dinitroaniline | |
1817-73-8 | |
C6H4BrN3O4 | |
262.01800 | |
117.66000 | |
3.47530 | |
260.93900 |
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1.707
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黄色至黄色-棕色粉末
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196.2ºC
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400.8ºC at 760 mmHg
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151-153 °C(lit.)
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1.991 g/cm3
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1.24E-06mmHg at 25°C
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Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
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BW9303000
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2
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S37/39-S26-S16
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F
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R11
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2921420090
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品名, 成分含量, 用途 |
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2921420090 其他苯胺衍生物及其盐. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2921420090. Aniline derivatives and their salts. General tariff: |
由2,4-二硝基苯胺与溴素反应而得:向300L搪玻璃反应锅中加水1800L、2,4-二硝基苯胺300kg、盐酸100kg、氯化苯3kg,搅拌1h,于室温下加入180kg溴素,在50-55℃反应6h。然后慢慢加入次氯酸钠(折合100%有效氯33.5kg),保温3h。到达终点后,加入亚硫酸钠水溶液(折100%25-30kg),消除剩余溴素,过滤水洗至中性,干燥即得成品。工业品为桔黄色颗料结晶,含量≥98%,熔点≥148℃。原料消耗定额:2,4-二硝基苯胺770kg/t、溴素600kg/t。 | |
染料中间体。用以制备分散藏青5G、分散深蓝HGL。 |
