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| CAS号 : | 104-01-8 |
精确质量 : | 166.06300 |
| 分子式 : | C9H10O3 |
logP : | 1.32230 |
| 分子量 : | 166.17400 |
PSA : | 46.53000 |
对甲氧基苯乙酸 | |
4-methoxyphenylacetic acid | |
104-01-8 | |
C9H10O3 | |
166.17400 | |
46.53000 | |
1.32230 | |
166.06300 |
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1.502
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白色至灰白色粉末
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193°C
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140 °C3 mm Hg(lit.)
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84-86 °C(lit.)
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6 g/L (20 ºC)
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0.143mmHg at 25°C
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Stable under normal temperatures and pressures.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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AI8960000
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29189090
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3
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S26-S36
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Xn
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R22; 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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暂时无法加载合成路线,请稍后刷新重试 |
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<p>由对甲氧基苯乙酮为原料制得。将乙醇、硫磺及六水哌嗪加入反应锅中回流4h,然后蒸出乙醇。将所得硫化哌嗪与对甲氧基苯乙酮在135-140℃反应20h,再加入氢氧化钠回流20h。反应结束后,冷至35℃以下,用盐酸调整pH值至8-9。用离心机分出硫磺后,再中和至pH值为3-4,冷却,离心脱水,将所得粗品精制即得对甲氧基苯乙酸。</p> | |
<p>用于有机合成,用作葛根素的中间体。</p> |