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| CAS号 : | 635-93-8 |
精确质量 : | 155.99800 |
| 分子式 : | C7H5ClO2 |
logP : | 1.85810 |
| 分子量 : | 156.56600 |
PSA : | 37.30000 |
5-氯水杨醛 | |
5-Chlorosalicylaldehyde | |
635-93-8 | |
C7H5ClO2 | |
156.56600 | |
37.30000 | |
1.85810 | |
155.99800 |
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白色晶体粉末
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92.2ºC
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228.8ºC at 760 mmHg
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100-102 °C(lit.)
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1.404 g/cm3
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Stable under normal temperatures and pressures.
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Store in a cool, dry place. Keep container closed when not in use.
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VN5450000
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3
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S26-S36-S24/25-S36/37/39
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UN2811/6.1/PG III
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Xi
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R36/37/38
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2913000090
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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% |
将水杨醛加热,通入氯气,反应液呈亮黄色。加乙醇使生成物溶解。冷却后析出结晶,过滤,干燥,即得5-氯水杨醛。 | |
该品与胺类形成稳定的黄色Schiff碱类,在肽合成中作为保护基团。主要用于医药、香料和染料等有机合成的中间体。 |
