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| CAS号 : | 824-54-4 |
精确质量 : | 197.96800 |
| 分子式 : | C8H7BrO |
logP : | 2.57000 |
| 分子量 : | 199.04500 |
PSA : | 17.07000 |
2-溴-4-甲基苯甲醛 | |
2-Bromo-4-methylbenzaldehyde | |
824-54-4 | |
C8H7BrO | |
199.04500 | |
17.07000 | |
2.57000 | |
197.96800 |
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1.597
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Stable, but moisture sensitive. Incompatible with water, moist air, metals, strong oxidizing agents. Store under dry atmosphere.
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>230 °F
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30-35 °C(lit.)
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1.49 g/cm3
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254.1ºC at 760 mmHg
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III
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6.1
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2913000090
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3276
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3
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R36/37/38
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S26; S36
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Xi
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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% |
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(1)甲醛肟的制备 在500ml三口瓶中加入11.5g多聚甲醛(0.38mol),26.3g(0.38mol)盐酸羟胺和170mL水,搅拌加热为清亮的溶液,然后加入51g(0.38mol)一水合乙酸钠,温和回流15min,得10%的甲醛肟溶液。 | |
用于有机合成 |