Process for the preparation of...

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C - Chemistry, Metallurgy

07

C

260/502.7

C07C 309/49 (2006.01) C07C 309/47 (2006.01)

Patent

CA 1150307

A B S T R A C T O F D I S C L O S U R E CHEMICAL PROCESS 2-Naphthylamine-4,8-disulphonic acid is produced by catalytically hydrogenating the ammonium salt of 2-nitronaphthalene-4,8-disulphonic acid using Pt/C or Pd/C as the catalyst.

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