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| CAS号 : | 367-25-9 |
精确质量 : | 129.03900 |
| 分子式 : | C6H5F2N |
logP : | 2.12820 |
| 分子量 : | 129.10700 |
PSA : | 26.02000 |
2,4-二氟苯胺 | |
2,4-Difluoroaniline | |
367-25-9 | |
C6H5F2N | |
129.10700 | |
26.02000 | |
2.12820 | |
129.03900 |
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n20/D 1.506(lit.)
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透明液体
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145 °F
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170 °C753 mm Hg(lit.)
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−7.5 °C(lit.)
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1.268 g/mL at 25 °C(lit.)
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1-5 g/100 mL at 20.55 ºC
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Stable. Combustible. Incompatible with strong oxidizing agents, acids, acid chlorides, acid anhydrides.
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Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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GHS06 | |
危险 | |
H302; H311; H331 | |
P261; P280; P311 | |
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BX3680000
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1
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6.1
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S28-S36/37/39-S26
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III
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UN 2941 6.1/PG 3
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2921420090
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Xn
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R20/21/22; R36/37/38
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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% |
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<p>1.2,4-二氟硝基苯还原法将铁粉和氯化铵水溶液加入还原釜中,加热升温至回流后,滴加2,4-二氟硝基苯,加完回流2h,反应完毕,用水蒸气蒸馏,馏出液分离后,用氯化钙干燥,即可得合格产品,收率87%。 <br>2.由1,2,4-三氯苯经硝化、氟代及还原脱氯而得;或由间苯二胺经重氮化、置换、硝化、还原而得。 </p> | |
<p>医药、农药、兽药原料和有机合成中间体。</p> |
