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| CAS号 : | 85-56-3 |
精确质量 : | 260.02400 |
| 分子式 : | C14H9ClO3 |
logP : | 3.26920 |
| 分子量 : | 260.67200 |
PSA : | 54.37000 |
2-(4-氯苯甲酰)苯甲酸 | |
2-(4-Chlorobenzoyl)benzoic acid | |
85-56-3 | |
C14H9ClO3 | |
260.67200 | |
54.37000 | |
3.26920 | |
260.02400 |
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1.624
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238.5ºC
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Refrigerator
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149-150 °C(lit.)
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1.357 g/cm3
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470.8ºC at 760 mmHg
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2918300090
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3
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R36/37/38
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S26-S37/39
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Xi
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品名, 成分含量, 用途 |
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2918300090 其他含醛基或酮基不含其他含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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2918300090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
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由苯酐经弗-克反应而得:将氯苯及无水三氯化铝加入反应锅,慢慢加入苯酐。加毕,在75-80℃下保温2.5h,冷却,反应液放入盐酸冰水中分解,静置分层。氯苯层用5%氢氧化钠溶液萃取3次,合并萃取液,用盐酸调节至pH为2-3,过滤,干燥,得CBB。 | |
医药、染料的中间体,用于生产氯噻酮、2-氯蒽醌等。 |