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| CAS号 : | 622-47-9 |
精确质量 : | 150.06800 |
| 分子式 : | C9H10O2 |
logP : | 1.62210 |
| 分子量 : | 150.17400 |
PSA : | 37.30000 |
对甲基苯乙酸 | |
4-Methylphenylacetic acid | |
622-47-9 | |
C9H10O2 | |
150.17400 | |
37.30000 | |
1.62210 | |
150.06800 |
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白色至灰白色晶体
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265-267°C
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265-267 °C(lit.)
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88-92 °C(lit.)
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1.127 g/cm3
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Stable under normal temperatures and pressures.
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Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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AJ7569000
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3
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29163900
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S26-S36-S24/25
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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% |
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<p>1.制法: 于装有搅拌器、温度计、回流冷凝器的反应瓶中,加入对甲氧基苯乙腈<br>(2)147g(1mol),25%的氢氧化钠水溶液350mL,加热回流反应8h。冷却后用苯提取。水层以稀硫酸化至PH10左右,活性炭脱色。酸化至酸性,冷却、抽滤析出的固体,水洗,干燥,得对甲氧基苯乙酸<br>(1)108g,收率65%。 </p> | |
<p>用于有机合成、制药工业。</p> |
