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Product performance and production principle of 3-cyano-2-butanone

 Last Update: 2021-08-10
 Source: Internet
 Author: User

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molecular weight ladder

food grade ethanol

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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

Product performance

Colorless transparent liquid; soluble in water, ethanol , ether and methanol ; boiling point 78～80℃/2.
7kPa; refractive index (n _D²⁵ ) 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
.

Process flow

1) 2-Butanone method

2) Ester nitrile condensation

Technical formula

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