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| CAS号 : | 771-69-7 |
精确质量 : | 177.00400 |
| 分子式 : | C6H2F3NO2 |
logP : | 2.53530 |
| 分子量 : | 177.08100 |
PSA : | 45.82000 |
2,3,4-三氟硝基苯 | |
1,2,3-Trifluoro-4-nitrobenzene | |
771-69-7 | |
C6H2F3NO2 | |
177.08100 | |
45.82000 | |
2.53530 | |
177.00400 |
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透明至淡黄色液体
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n20/D 1.492(lit.)
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Stable at room temperature in closed containers under normal storage and handling conditions.
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200 °F
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Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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1.541 g/mL at 25 °C(lit.)
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92 °C20 mm Hg(lit.)
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III
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6.1
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2904909090
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UN2810
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3
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R36/37/38
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S26-S36/37/39-S24/25
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Xi
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品名, 成分含量, 用途 |
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2904909090 其他烃的磺化、硝化、亚硝化衍生物(不论是否卤化). 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:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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以2,6-二氯苯胺为原料,经Schiemann反应、硝化和氟化制得。 | |
用作药品氧氟沙星、洛美沙星、氟诺沙星等的中间体本品主要用于合成新一代氟喹诺酮类抗菌药氟嗪酸(氧氟沙星)。还可用于合成喹酮酸类抗菌药洛美沙星等。 |