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| CAS号 : | 119-67-5 |
精确质量 : | 150.03200 |
| 分子式 : | C8H6O3 |
logP : | 1.19730 |
| 分子量 : | 150.13100 |
PSA : | 54.37000 |
邻羧基苯甲醛 | |
2-formylbenzoic acid | |
119-67-5 | |
C8H6O3 | |
150.13100 | |
54.37000 | |
1.19730 | |
150.03200 |
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白色晶体粉末
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162.6ºC
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321.8ºC at 760 mmHg
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94-96 °C(lit.)
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1,404 g/cm3
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soluble
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0.00012mmHg at 25°C
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Stable under normal temperatures and pressures.
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Store in a tightly closed container. Store in a cool, dry area away from incompatible substances.
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TH7015000
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2
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29183000
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S26-S36-S24/25
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PG2
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Xi
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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% |
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<p>由苯酚经溴化、水解而得。将苯酞加热到140-145℃,通溴反应,控制通入速度,使反应尾气基本上无溴蒸气排出。通溴毕,在120℃通二氧化碳与减压将残留的溴化氢除出。反应物加水,在沸腾水浴内水解0.5h。冷却,析出邻羧基苯甲醛。收率60%。</p> | |
<p>作为医药中间体和液晶材料。</p> |
