Method for isolating 11-cyano-undecanoic acid in its...

Details Method for isolating 11-cyano-undecanoic acid in its... Method for isolating 11-cyano-undecanoic acid in its...

C - Chemistry, Metallurgy

07

C

260/534.1

C07C 120/00 (1980.01)

Patent

CA 1047050

METHOD FOR ISOLATING 11-CYANO-UNDECANOIC ACID IN ITS AMMONIUM SALT ABSTRACT OF THE DISCLOSURE 11-cyano-undecanioc acid is isolated in its ammonium salt in a high purity from a crude material by the method wherein the crude material containing 11-cyano-undecanoic acid is dissolved in an organic solvent consisting of one or more aromatic hydrocarbons having 6 to 8 carbon atoms, ammonium gas is introduced into the crude material solution to convert 11-cyano-undecanoic acid its ammonium salt, the resultant ammonium salt is crystallized from the solution and, thereafter, the crystallized ammonium salt is separated from the solution. - 1 -

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