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| CAS号 : | 30273-41-7 |
精确质量 : | 262.89500 |
| 分子式 : | C7H7Br2N |
logP : | 3.68340 |
| 分子量 : | 264.94500 |
PSA : | 26.02000 |
2,4-二溴-6-甲基苯胺 | |
2,4-Dibromo-6-methylaniline | |
30273-41-7 | |
C7H7Br2N | |
264.94500 | |
26.02000 | |
3.68340 | |
262.89500 |
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1.641
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灰白色至灰色或淡棕色结晶粉末
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123.9ºC
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281.2ºC at 760mmHg
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44-49ºC
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1.887g/cm3
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36/37/39-26
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Xn
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R20/21/22; R36/37/38
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2921430090
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品名, 成分含量, 用途, 原产地证据文件及编号(例 附原产地证书, 原产于欧盟的 |
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2921430090 甲苯胺及其衍生物以及它们的盐. 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:2921430090 toluidines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2921430090. Toluidines and their derivatives; salts thereof. General tariff: |
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由邻甲苯胺经溴化而得。将氯仿和邻甲苯胺加入反应锅,于20-25℃滴加溴素,约3-4h加完,然后升温回流10h。冷却,用氨水调至pH9-10,静置分层,收集氯仿层,回收氯仿即得成品。 | |
作医药中间体,用于生产新型祛痰剂溴己胺盐酸盐(必嗽平)。 |