Pararosaniline

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Pararosanilin

IUPAC name	[4-[Bis(4-aminophenyl)methylidene]-1-cyclohexa-2,5-dienylidene]azanium chloride
Other names	Pararosaniline hydrochloride Pararosaniline chloride C.I. 42500 C.I. Basic Red 9, monohydrochloride Para magenta
Identifiers
CAS number	[569-61-9]
SMILES	C1=CC(=[NH2+])C=CC1=C(C2=CC=C(C=C2)N)C3=CC=C(C=C3)N.[Cl-]
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
Hazards
MSDS	External MSDS
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Pararosaniline, Magenta 0, Basic Red 9, or C.I. 42500 is a magenta dye having chemical formula C₁₉H₁₈N₃Cl. It is closely related to fuchsine, new fuchsine, and fuchsine acid. It makes the best Schiff's reagent.

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