Aldehyde green

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An intense aniline green dye patented in 1862 by M.Cherpin. Aniline green was discovered by accident when Cherpin mixed photographic fixer (sodium hyposulfite) with an alcoholic solution of aniline and acetaldhehyde. The brilliant green color was primarily used for dying silk.

Sources Checked for Data in Record

  • F. Crace-Calvert, Dyeing and Calico Printing, Palmer & Howe, London, 1876