Molecular formula:C2H5ONa
Molecular weight:68.05
CAS NO.:141-52-6
Properties:White or pale yellow flowable powder. Sensitive to light. Decomposes when exposed to air. The color becomes darker after long storage. Flammable. Soluble in absolute ethanol, insoluble in benzene, toluene, xylene, and ether.
Specification
Properties | Specification |
High-Class | Qualified |
Appearance | White or pale yellow flowable powder |
Total Alkali(C2H5ONa) | ≥99.0% | ≥98.5% |
Moisture | ≤0.65% | ≤0.9% |
Free Alkali(NaOH) | ≤1.5% | ≤2.0% |
Sodium Carbonate | ≤0.5% |
Usage:Mainly used in pharmaceutical industry such as the manufacture of Benbutol, Phenylbutazone, Prednisone, Methyldopa, Tetracaine Hydrochloride, Eprazinone, Aminopterin, Pyrimethamine, Pvampicillin and so on, as well as in pesticides. It also can be used as the analytical reagent.
Packaging & Storage:Store in ventilated, cool and dry warehouse; Keep away from flame and heat; Separate from oxidant and acid during storage and transportation; Handle with care, and maintain the integrity of the packaging.
Sodium ethoxide is one of the typical alkoxides. It is nontoxic, strongly alkaline, easily hygroscopic, and easily soluble in polar solvents (such as ethanol). Its ethanol solution is stable in nature. It decomposes when exposed to air, and its color gradually darkens after long-term storage. When it meets with water, it decomposes into sodium hydroxide and ethanol. Sodium ethoxide is very basic, which is often used in organic synthesis to remove the active hydrogen of organic compounds (such as the condensation reaction of clarson ester and the synthesis of malonate), and also used in the synthesis of pesticides. Sodium ethoxide can be used to extract the ester α Hydrogen can form enol structure, and nucleophilic addition reaction with carbonyl group of ester (called transesterification).