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Physical & Chemical properties

Stability in organic solvents and identity of relevant degradation products

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α,α-bis[4-(dimethylamino)phenyl]-4-(phenylamino)naphthalene-1-methanol (Solvent Blue 4) was found to be stable in organic solvent dichloro methane and no degradation products were formed after 24 hours as evident from the GC-MS chromatogram obtained at 0 hours and that obtained after 24 hours.

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α,α-bis[4-(dimethylamino)phenyl]-4-(phenylamino)naphthalene-1-methanol (containing less than 0.1% Michler’s Ketone)was found to be stable in organic solvent dichloro methane and no degradation products were formed after 24 hours as evident from the GC-MS chromatogram obtained at 0 hours and that obtained after 24 hours.