Pararosaniline hydrochloride ≥88% (dye content), crystalline powder C.I. 42500

Supplier: MP Biomedicals
Warning

Synonyms: Basic Parafuchsin, Basic Fuchsin Hydrochloride, 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene)dianiline hydrochloride, [4-[Bis(4-aminophenyl)methylidene]-1-cyclohexa-2,5-dienylidene]azanium chloride, Parafuchsin hydrochloride, Pararosaniline chloride, Basic Red 9, 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)dianiline hydrochloride, Paramagenta hydrochloride

0215042305 0215042325
ICNA0215042305EA 80 SGD
ICNA0215042305 ICNA0215042325
Pararosaniline hydrochloride ≥88% (dye content), crystalline powder C.I. 42500
Pararosaniline hydrochloride

Basic Fuchsin is a cationic triphenylmethane dye.


  • Staining of acid fast bacteria


Basic fuchsin is used for the Ziehl-Neelsen and other similar acid fast staining of the mycobacteria which cause tuberculosis, leprosy etc. and is widely used in biology to stain the nucleus.


Soluble in water (2 mg/ml); ethanol (2 mg/ml - clear red solution).


Caution: Research Use Only (RUO).

Formula: C₁₉H₁₈ClN₃
MW: 323,82 g/mol
MDL Number: MFCD00001657
CAS Number: 569-61-9

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Specification Test Results

Identity Test Passes
UV/Vis: λmax (50% ethanol) 544 - 550 nm

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