Pararosaniline
From Self-sufficiency
| Pararosaniline | |
|---|---|
| File:Pararosaniline.png | |
| [4-[Bis(4-aminophenyl)methylidene]-1-cyclohexa-2,5-dienylidene]azanium chloride | |
| Other names Pararosaniline hydrochloridePararosaniline chlorideC.I. 42500C.I. Basic Red 9, monohydrochloridePara magenta | |
| style="background: #F8EABA; text-align: center;" colspan="2" | Identifiers | |
| CAS number | 569-61-9 |
| PubChem | 11292 |
| SMILES | Script error: No such module "collapsible list". |
| style="background: #F8EABA; text-align: center;" colspan="2" | Properties | |
| Molecular formula | C19H18ClN3 |
| Molar mass | 323.82 g/mol |
| Appearance | Green crystalline solid |
| Melting point |
268-270°C (541-543 K) dec. |
| Solubility in water | Slightly soluble |
| style="background: #F8EABA; text-align: center;" colspan="2" | Hazards | |
| MSDS | External MSDS |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
Pararosaniline, Basic Red 9, or C.I. 42500 is a magenta dye having chemical formula C19H18N3Cl. It is one of the four components of basic fuchsine. (The others are rosaniline, new fuchsine and magenta II.)[1] Pararosaniline, which is sold as a single dye, may make the best Schiff's reagent. It is the only basic fuchsine component suitable for making the aldehyde-fuchsine stain for pancreatic islet beta cells[2]
References
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<references />, or <references group="..." />Further reading
- Colour Index 3rd Edition Volume 4 (PDF), Bradford: Society of Dyers and Colourists, 1971, p. 4388.
- Gessner, T.; Mayer, U. (2002), "Triarylmethane and Diarylmethane Dyes", Ullmann's Encyclopedia of Industrial Chemistry 6th Edition, Weinheim: Wiley-VCH, doi:10.1002/14356007.a27_179.
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