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| CAS号 : | 321-14-2 |
精确质量 : | 171.99300 |
| 分子式 : | C7H5ClO3 |
logP : | 1.74380 |
| 分子量 : | 172.56600 |
PSA : | 57.53000 |
5-氯代水杨酸 | |
5-chlorosalicylic acid | |
321-14-2 | |
C7H5ClO3 | |
172.56600 | |
57.53000 | |
1.74380 | |
171.99300 |
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白色结晶粉末
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147.6ºC
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320.5ºC at 760mmHg
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171-172 °C(lit.)
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1.536g/cm3
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1 g/L (20 ºC)
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Stable under normal temperatures and pressures.
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Store in a cool, dry place. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
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VO2080000
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3
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29182990
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6.1
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S26-S36-S37/39
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III
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UN 2811 6.1/PG 3
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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% |
<p>将氯苯加入搪瓷锅蒸去水分至0.03%以下,投入水杨酸,在110±2℃均匀通氯至预定量。取样观察 冷至30℃的析出物,过滤,测熔点,以167-175℃为合格,即得5-氯水杨酸的氯苯溶液。如果氯化反应在日光灯照射下进行,则在55-80℃能氯至理论量,取样检测合格后,排除剩余氯,冷却,过滤,用氯苯洗涤,干燥,即得成品。</p> | |
<p>用作农药、医药、染料中间体。</p> |
