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| CAS号 : | 623-17-6 |
精确质量 : | 140.04700 |
| 分子式 : | C7H8O3 |
logP : | 1.34270 |
| 分子量 : | 140.13700 |
PSA : | 39.44000 |
乙酸糠酯 | |
Furfuryl acetate | |
623-17-6 | |
C7H8O3 | |
140.13700 | |
39.44000 | |
1.34270 | |
140.04700 |
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n20/D 1.462(lit.)
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透明至淡黄色液体
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150 °F
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175-177 °C(lit.)
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1.118 g/mL at 25 °C(lit.)
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0.5-1.0 g/100 mL at 23 ºC
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Stable under normal temperatures and pressures.
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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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LU9120000
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3
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S24/25-S37/39-S26
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Xi
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R36/37/38
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2932190090
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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>1. 呋喃甲醇与乙酐反应而得。将1L苯,600g(6.1mol)呋喃甲醇,225g乙酸钠和650g(6.4mol)乙酐一起加热回流4h,反应毕,冷却,将反应物倾入4L冷水中,分出上层液,用500ml5%碳酸钠溶液将其中过量的乙酐分解,用3L水洗涤。然后,在常压下蒸出苯,再减压蒸馏,收集70℃(0.93kPa)馏分,得乙酸糠酯750-800g,收率87%-93%。 <br>2. 烟草:FC,40。</p> | |
<p>适用于配制带果香的食用香精,如覆盆子,菠萝,姜啤、饮料、糖果等。产品质量:纯度≥97%。</p> |
