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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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品名, 成分含量, 用途 |
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2913000090 品目2912所列产品的其他衍生物〔指卤化,磺化,硝化或亚硝化的衍生物〕. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0% |
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。 |
