您好，欢迎来到魔法化学网！
| 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 |
|
n20/D 1.462(lit.)
|
|
|
透明至淡黄色液体
|
|
|
150 °F
|
|
|
175-177 °C(lit.)
|
|
|
1.118 g/mL at 25 °C(lit.)
|
|
|
0.5-1.0 g/100 mL at 23 ºC
|
|
|
Stable under normal temperatures and pressures.
|
|
|
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.
|
|
LU9120000
|
|
|
3
|
|
|
S24/25-S37/39-S26
|
|
|
Xi
|
|
|
R36/37/38
|
|
|
2932190090
|
品名, 成分含量, 用途 |
|
2932190090 其他结构上有非稠合呋喃环化合物. 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:20.0% |
|
2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
|
2932190090. Other Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure. General tariff: |
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%。 | |
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%。 |
