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| CAS号 : | 459-57-4 |
精确质量 : | 124.03200 |
| 分子式 : | C7H5FO |
logP : | 1.63820 |
| 分子量 : | 124.11200 |
PSA : | 17.07000 |
对氟苯甲醛 | |
4-Fluorobenzaldehyde | |
459-57-4 | |
C7H5FO | |
124.11200 | |
17.07000 | |
1.63820 | |
124.03200 |
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n20/D 1.521(lit.)
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透明非常淡黄色液体
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134 °F
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181 °C758 mm Hg(lit.)
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−10 °C(lit.)
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1.157 g/mL at 25 °C(lit.)
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IMMISCIBLE
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3.51mmHg at 25°C
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Stable under normal temperatures and pressures.
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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. Flammables-area.
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GHS02, GHS07 | |
警告 | |
H226; H315; H319; H335 | |
P261; P305 + P351 + P338 | |
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2
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3.2
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S26-S36-S37/39
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III
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UN 1989 3/PG 3
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2913000090
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Xi
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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% |
<p>其制备方法是以对氯甲苯为原料,首先用氟化钾氟化,使其生成对氟甲苯,然后通过甲基氯化使其生成4-氟亚苄二氯,然后再水解得到对氟苯甲醛。 或者通过对氯苯甲醛用氟化钾氟化,直接得到对氟苯甲醛。</p> | |
<p>用于农药、医药中间体。</p> |
