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| CAS号 : | 591-50-4 |
精确质量 : | 203.94400 |
| 分子式 : | C6H5I |
logP : | 2.29120 |
| 分子量 : | 204.00800 |
PSA : | 0.00000 |
碘苯 | |
Iodobenzene | |
591-50-4 | |
C6H5I | |
204.00800 | |
0.00000 | |
2.29120 | |
203.94400 |
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透明至琥珀色液体
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n20/D 1.62(lit.)
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Stable under normal temperatures and pressures.
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74 °C
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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. Store protected from light.
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−29 °C(lit.)
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1.830 g/mL at 20 °C
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insoluble
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188 °C(lit.)
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2827600000
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3
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R22; R36
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S26-S36
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DA3390000
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Xi
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由苯胺经重氮化、置换而得。将30%盐酸、苯胺加入水中,搅拌冷却至2℃,缓缓滴加亚硝酸钠溶液,控制温度不超过12℃。滴加最后一部分亚硝酸钠溶液时,用碘化钾淀粉试纸测试,呈蓝色为反应终点,得重氮化液。将碘化钾溶液分多次加入重氮化液中,此时放出氮气,放置2h,至无氮气逸出为止。冷却后,分去上层水溶液。加10%氢氧化钠溶液使反应液至pH14。进行水蒸气蒸馏,馏出液分去水层,干燥后常压分馏,收集184-188℃馏分,即为碘苯,收率77%。 | |
有机合成。工业上用于液晶材料，医药原料中间体等。 |
