反应详情

温度

125 °C

245.0 g of acetic anhydride and 48.0 g of acetic acid (100%) are added to 62.4 g (0.8 mol) of aluminium hydroxide, hydrargillite, Merck, in a 750 ml sulfonation flask, provided with a thermometer, a reflux condenser and a stirrer, and the mixture is heated to 125° C., with stirring. After a reaction time of 12 hours, the reaction product is cooled, filtered off, washed with 4 times 250 ml of water and dried for 12 hours at 130° C./15 mm Hg; 124 g (95.6%) of acicular aluminium monohydroxide diacetate are obtained.

1. customprovided with a thermometer, a reflux condenser and a stirrer
2. temperatureAfter a reaction time of 12 hours, the reaction product is cooled
3. filtrationfiltered off
4. washwashed with 4 times 250 ml of water
5. customdried for 12 hours at 130° C./15 mm Hg