4-cyano-2-butanone (3-cyano-2-butanone) is also known as 2-acety/lpropionitrile, with a molecular formula of C 5 H 7 NO, a molecular weight of 97.
12, and a structural formula of
1.
Product performance
Colorless transparent liquid; soluble in water, ethanol , ether and methanol ; boiling point 78～80℃/2.
7kPa; refractive index (n D 25 ) 1.
4215; irritating
.
2.
Production principle
1) 2-Butanone method
2-Butanone is a-chlorinated with chlorine in the presence of hydrochloric acid, and then substituted with sodium cyanide to obtain 3-cyano-2-butanone
.
2) Reagent grade preparation method (ester nitrile condensation method)
In the presence of a strong base of sodium amide, propionitrile and methyl acetate undergo ester nitrile condensation to obtain 3-cyano-2-butanone
.
3.
Process flow
1) 2-Butanone method
2) Ester nitrile condensation
4.
Technical formula
Related Links: Production Process and Product Uses of Benzoanthrone
