Pararosaniline
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| Template:Longitem | C19H17N3 |
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| Appearance | Green crystalline solid |
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Pararosaniline, pararosaniline free base, Basic Red 9, or C.I. 42500 is an organic compound with the formula Template:Chem2.[1] It is the free base form of pararosaniline hydrochloride, Template:Chem2, a magenta solid with a variety of uses as a dye.[2][3] It is one of the four components of basic fuchsine.[4] It is structurally related to other triarylmethane dyes called methyl violets (e.g. crystal violet) which feature methyl groups on nitrogen.
It is prepared by the condensation of aniline and Template:Ill. Alternatively, it arises from the oxidation of 4,4'-bis(aminophenyl)methane in the presence of aniline.
Uses
- It is used to dye polyacrylonitrile fibers.
- It is used to detect sulfur dioxide.[5]
- Pararosaniline is used as a colorimetric test for aldehydes, in the Schiff test. It is the only basic fuchsine component suitable for making the aldehyde-fuchsine stain for pancreatic islet beta cells.[6]
- It has use as an antischistosomal. [7]
Related compounds
References
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- ↑ Script error: No such module "citation/CS1".
- ↑ Thomas Gessner and Udo Mayer "Triarylmethane and Diarylmethane Dyes" in Ullmann's Encyclopedia of Industrial Chemistry 2002, Wiley-VCH, Weinheim.Script error: No such module "CS1 identifiers".
- ↑ Script error: No such module "citation/CS1".
- ↑ Horobin RW, Kiernan JA (2002) Conn's Biological Stains, 10th ed. Oxford: BIOS.
- ↑ Script error: No such module "Citation/CS1".
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- ↑ <templatestyles src="Citation/styles.css"/>Template:Citation/make link, "Pharmaceutical compositions containing pararosaniline or derivatives thereof", published Script error: No such module "auto date formatter"., assigned to Parke, Davis & Co.Script error: No such module "Check for unknown parameters".
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Further reading
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