2-PROPOXYETHANOL synthesis
- Product Name:2-PROPOXYETHANOL
- CAS Number:2807-30-9
- Molecular formula:C5H12O2
- Molecular Weight:104.15
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Yield:-
Reaction Conditions:
with hydrogen;5%-palladium/activated carbon in ethylene glycol at 200; under 25802.6 Torr; for 1 h;Autoclave;Inert atmosphere;
Steps:
8 Production of 2-propoxyethanol (EP)
Example 8 Production of 2-propoxyethanol (EP) 100 g of EG and 20 g of 2-ethyl-1,3-dioxolane (EDX) were combined in a 300 mL autoclave with 1.0 g of 5% (by weight) Pd on carbon catalyst. The autoclave was sealed and purged twice with N2 and once with H2. The reactor was charged with H2 and heated to 200° C. The reactor was then brought to an operating pressure of 3.44 MPa and stirring commenced at 750 rpm. Pressure was maintained through the duration of the experiment. After 1 h, the autoclave was cooled and remaining gas vented. The autoclave was opened, its contents filtered, and the filtrate analyzed by gas chromatography (GC). The reactor contained 0.52 g of EDX, 16.4 g of EP, 5.86 g of 1,2-dipropoxy-ethane, 0.51 g of mono propionate ester of EG, and 100.9 g of EG. This result corresponds to 97.4% conversion of acetal and 82.6% selectivity to EP.
References:
EASTMAN CHEMICAL COMPANY US2012/330069, 2012, A1 Location in patent:Page/Page column 8
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