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The third in the series of color developing agents used in developing color films, commonly known as CD-3, is chemically known as N-[2-[(4-Amino-3-methylphenyl)ethylamino]ethyl]methanesulfonamide Sesquisulfate Monohydrate.[1] In color development, after reducing a silver atom in a silver halide crystal, the oxidized developing agent combines with a color coupler to form a color dye molecule. CD-3 is used in many processes including VNF-1,[2] ECN-2[3] and the E-6 process.[4]

See also

References

  1. ^ “Methanesulfonamide, N-[2-[(4-amino-3-methylphenyl)ethylamino]ethyl]-, sulfate (2:3)”. U.S. National Center for Biotechnology Information. Retrieved 7 April 2019.
  2. ^ “Processing EASTMAN EKTACHROME Color ReversalFilms, Module 11Process VNF-1 Specifications” (PDF). www.kodak.com. Eastman Kodak Company. Archived from the original (PDF) on 25 March 2020. Retrieved 22 January 2020.
  3. ^ Processing KODAK Motion Picture Films, Module 7 Process ECN-2 Specifications (PDF). Eastman Kodak Company. 2020. p. 30. Retrieved 12 May 2026.
  4. ^ “Material Safety Data Sheet KODAK PROFESSIONAL, Single-Use Chemistry Kit, Process E-6, Color Developer – Part B” (PDF). freestylephoto.com. Eastman Kodak Company. Retrieved 12 May 2026.