Magnesium ethoxide synthesis
- Product Name:Magnesium ethoxide
- CAS Number:2414-98-4
- Molecular formula:C4H10MgO2
- Molecular Weight:114.43
64-17-5
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2414-98-4
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Yield:2414-98-4 94.3%
Reaction Conditions:
with N-Bromosuccinimide;magnesiumProduct distribution / selectivity;Inert atmosphere;Reflux;
Steps:
1
To a 5 L-volume glass reactor equipped with a stirrer, an oil heater and a reflux condenser, which was sufficiently purged with nitrogen, 3.8 g of N-bromosuccinimide, 60 g of metal magnesium (100 μm of average particle diameter, powder), and 800 ml of anhydrous ethanol were added. The temperature of the reactor was raised to 78° C. so as to maintain the ethanol to be refluxed, while stirring at 240 rpm. After 5 minutes, hydrogen was generated upon start of a reaction, therefore an outlet of the reactor was maintained open so as to exhaust the generated hydrogen, thereby maintaining the pressure inside the reactor as atmospheric pressure. When the hydrogen is generated no more, the reactor temperature and stirring rate were maintained under a reflux condition for 2 hours (aging). Upon completion of the aging process, the resultant was washed three times at 50° C., with 2,000 ml of n-hexane for each washing. The washed product was dried for 24 hours under a nitrogen stream, thereby obtaining 265 g of a solid product with good flowability as a white powder (yield 94.3%). The particle size of the dried product suspended in n-hexane was measured by a light transmission method using a laser particle size analyzer (Mastersizer X manufactured by Malvern Instruments), resulting in 17.3 μm of the average particle size.
References:
SAMSUNG TOTAL PETROCHEMICALS CO., LTD. US2011/166394, 2011, A1 Location in patent:Page/Page column 4
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141-52-6
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67-72-1
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2414-98-4
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2414-98-4
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