Pronunciation: [kɹˈə͡ʊmɒfən] (IPA) 
The spelling of the word "chromophan" can be confusing due to the unique combination of letters used in the word. The correct way to pronounce it is /ˈkrəʊməʊfən/. The 'ch' makes the 'k' sound, while the 'ph' creates the 'f' sound. The '-an' at the end is pronounced like 'en.' This word is commonly used in organic chemistry to describe a molecule that absorbs visible light and has a chromatic effect.
A chromophan refers to a substance or molecule that possesses the property of having a color or being capable of absorbing certain wavelengths of light. Specifically, in the field of chemistry and physics, a chromophan is a chromogenic compound, which means it has a distinct pigmentation due to its ability to absorb or emit light of specific wavelengths. The color exhibited by a chromophan results from the absorption of certain colors from white light, with the remaining colors being reflected or transmitted, giving rise to the perceived color.
Chromophans are crucial components in various fields of study, including organic chemistry, dye synthesis, and biochemistry, where they are often employed as indicators or probes to visually detect chemical reactions or cellular activities. Common examples of chromophans include dye molecules, such as those used in textiles or biological staining, as well as organic compounds with conjugated systems of alternating single and multiple bonds, like benzene rings. These conjugated systems provide the necessary electronic structure that enables the chromophan to absorb light and exhibit color.
Furthermore, the term "chromophan" can also be used more broadly to refer to any substance or material that has the ability to produce color, including natural pigments found in plants or animals. In this context, chromophans contribute to the vibrant hues seen in flowers, fruits, and animal skin, fulfilling various roles such as attracting pollinators or serving as a form of camouflage or warning signal. Overall, chromophans play a fundamental role in the perception of color in both the natural world and various scientific disciplines.
Retinal pigment.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
