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| CAS号 : | 446-17-3 |
精确质量 : | 176.00900 |
| 分子式 : | C7H3F3O2 |
logP : | 1.80210 |
| 分子量 : | 176.09300 |
PSA : | 37.30000 |
2,4,5-三氟苯甲酸 | |
2,4,5-Trifluorobenzoic acid | |
446-17-3 | |
C7H3F3O2 | |
176.09300 | |
37.30000 | |
1.80210 | |
176.00900 |
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白色至淡黄色晶体粉末
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1.49
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100.1ºC
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0.0188mmHg at 25°C
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94-96 °C(lit.)
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1.536g/cm3
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241.9ºC at 760mmHg
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GHS07 | |
警告 | |
H315; H319; H335 | |
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2916399090
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3
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R36/37/38
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S26-S36-S24/25
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Xi
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品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装 |
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2916399090 其他芳香一元羧酸. 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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2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
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2916399090. Other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
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1. 以四氯间苯二甲腈(即百菌清)为起始原料,经氟化、选择性还原、部分脱氟成2,4,5-三氟间苯二甲腈,然后水解成2,4,5-三氟间苯二甲酸,最后选择性脱羧而得该品。 | |
1、本品是一种精细有机氟合成中间体,可用于特马沙星及液晶等的合成。 |
