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| CAS号 : | 2050-49-9 |
精确质量 : | 299.87900 |
| 分子式 : | C10H6Br2O |
logP : | 4.07040 |
| 分子量 : | 301.96200 |
PSA : | 20.23000 |
2,4-二溴-1-萘酚 | |
2,4-dibromonaphthalen-1-ol | |
2050-49-9 | |
C10H6Br2O | |
301.96200 | |
20.23000 | |
4.07040 | |
299.87900 |
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1.726
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169.7ºC
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1.37E-05mmHg at 25°C
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107ºC
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1.956g/cm3
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357ºC at 760mmHg
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2908199090
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R36/37/38
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S26; S36/37/39
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品名, 成分含量, 用途 |
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HS:2908199090 其他酚及酚醇的仅含卤素取代基的衍生物及其盐 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: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0% |
36gα-萘酚溶于180mL冰醋酸中,滴加80g溴溶于30mL冰醋酸中的溶液,保持滴加温度10~12℃,1h加完,升温60~65℃,用水泵抽去溴化氢,放置过夜。次日,在80~85℃反应4h,然后加6.5g锌粉,继续反应1.5h,趁热过滤,滤液放置后析出针状结晶,过滤,收集产品53.5g,熔点103~106℃,收率70.5%。 | |
用于有机合成 |
