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Chromogen vs Auxochrome - What's the difference?

chromogen | auxochrome |

As nouns the difference between chromogen and auxochrome

is that chromogen is (chemistry) any substance that lacks colour, but can be converted into a pigment or dye while auxochrome is (obsolete|chemistry) any atom or group which, when added to a chromophore, causes a bathochromic shift in its spectrum.

chromogen

English

Noun

(en noun)
  • (chemistry) Any substance that lacks colour, but can be converted into a pigment or dye.
  • (biology) A strongly pigmented organelle or organism.

    • Derived terms

    * nonchromogen, photochromogen, scotochromogen

    auxochrome

    English

    Noun

    (en noun)
  • (obsolete, chemistry) any atom or group which, when added to a chromophore, causes a bathochromic shift in its spectrum