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Benzy Methy Ketone CAS 20320-59-6 is an intermediate of the rodenticides dimurine and chlorpyrone. It is used to synthesize pesticide intermediates such as sodium dimurox, and pharmaceutical intermediates such as amphetamine and phenylisopropylamine.
What is the preparation of Benzy Methy Ketone BMK oil CAS 20320-59-6?
Is Benzy Methy Ketone BMK oil CAS 20320-59-6 a Dangerous Goods? Which category does it belong to?
What can be produced from Benzy Methy Ketone BMK oil CAS 20320-59-6?
The production method of Benzy Methy Ketone CAS 20320-59-6 first requires the co-distilled absolute ethanol of diethyl phthalate and sodium metal to be added dropwise to the mixture of diethyl malonate, carbon tetrachloride and magnesium, and the reaction is started by heating , control the temperature to make the reaction smooth. Then add anhydrous ether, heat for 1 h, add the ether solution of phenylacetyl chloride (add slowly, do not make the reaction too intense). After the reaction is completed, cooling and adding water, the oil layer is separated, and the ether is evaporated under reduced pressure to obtain diethyl phenyllevulinate.
Benzy Methy Ketone CAS 20320-59-6 is Dangerous Goods, Hazardous Properties: Dangerous Goods Symbol Xi, Hazard Category Code 36/37/38. It is a colorless liquid with a sweet ethereal odor. Melting point -50°C, boiling point 199.3°C (198.9°C), 85°C (2.67kPa), relative density 1.0551 (20/4°C), refractive index 1.4135, flash point 100°C. Slightly soluble in water, the solubility in water is 2.08g/100ml at 20℃, soluble in chloroform, benzene and other organic solvents, miscible with ethanol and ether.
Main uses of Benzy Methy Ketone CAS 20320-59-6: Benzy Methy Ketone CAS 20320-59-6 is used in organic synthesis, as an intermediate for dyes and spices, and as a raw material for medicine. Health Hazards: This product is irritating to eyes, skin and mucous membranes. So far, there have been no reports of human damage.
Explosion Hazard: This product is flammable and irritating.
Hazardous characteristics: flammable in case of open flame and high heat
Diethyl malonate is first reacted with sodium ethoxide to obtain the sodium salt of diethyl malonate. The latter is reacted with chloroacetone, the product is hydrolyzed with alkali, acidified and heated to decarboxylate to obtain the target product.
EtOOC - CH2 - COOEt + EtONa → EtOOC - CHNa - COOEt + EtOH
EtOOC - CHNa - COOEt + CH3COCH2Cl → CH3COCH2 - CH(COOEt)2 + NaCl
CH3COCH2 - CH(COOEt)2 + 2NaOH → CH3COCH2 - CH(COONa)2 + 2EtOH
CH3COCH2 - CH(COONa)2 + 2HCl → CH3COCH2 - CH(COOH)2 + 2NaCl
CH3COCH2 - CH(COOH)2 → CH3COCH2 - CH2 - COOH + CO2↑
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