Method for isolating 11-cyano-undecanoic acid in its ammonium sa

Details Method for isolating 11-cyano-undecanoic acid in its ammonium sa Method for isolating 11-cyano-undecanoic acid in its ammonium sa

1975-01-23

1976-07-20

Garvin, Patrick P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260404, C07C121407

Patent

active

039706770

ABSTRACT:
11-CYANO-UNDECANOIC 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 THE DISSOLVED 11-CYANO-UNDECANOIC ACID ITS AMMONIUM SALT, CRYSTALS AND, THEREAFTER, THE CRYSTALS OF AMMONIUM SALT ARE SEPARATED FROM THE SOLUTION.

REFERENCES:
patent: 3217027 (1965-11-01), Little

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