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| CAS号 : | 407-25-0 |
精确质量 : | 209.97500 |
| 分子式 : | C4F6O3 |
logP : | 1.18080 |
| 分子量 : | 210.03100 |
PSA : | 43.37000 |
三氟乙酸酐 | |
Trifluoroacetic anhydride | |
407-25-0 | |
C4F6O3 | |
210.03100 | |
43.37000 | |
1.18080 | |
209.97500 |
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n20/D 1.3(lit.)
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无色液体
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库房通风低温干燥,与H发孔剂、碱类、氰化物分开存放
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-26 °C
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39.5-40 °C(lit.)
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-63.5 °C
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1.511 g/mL at 20 °C(lit.)
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Hydrolysis
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439mmHg at 25°C
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Stable, but moisture sensitive. Reacts with water to liberate hydrogen (flammable). Incompatible with water, strong oxidizing agents.
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AJ9800000
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2
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29159080
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8
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S26-S36/37/39-S43-S45-S61-S9-S8-S28A-S27
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I
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UN 3265 8/PG 1
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C
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R14; R20; R35; R52/53
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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>其制备方法是用三氟乙酸与二氯乙酸酐反应。反应方程式：CF3COOH+(Cl2CHCO)2O→(CF3CO)2O+Cl2CHCOOH</p> | |
<p>主要用作分析试剂、溶剂、催化剂、脱水缩合剂、羧基和氨基三氟乙酰化时的保护剂。</p> |
