CAS 2465-27-2 Auramine O (For Biological Stains and Dyes) - Analytical Products / Alfa Chemistry

CAT	APB2465272
CAS	2465-27-2
Structure
Synonyms	Auramine hydrochloride; Basic yellow 2; Pyocatanium aureum; Aizen auramine; Pyoktanin yellow
IUPAC Name	4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline;hydrochloride
Molecular Weight	303.8
Molecular Formula	C17H22ClN3

Description	Auramine O is an aniline dye and is obtained by combining 4,4'-carbonimidoylbis(N,N-dimethylaniline) with one molar equivalent of hydrogen chloride. It is a diarylmethane dye and functions as both a fluorochrome and a histology stain.
Melting Point	>250 °C (dec)
Solubility	10 mg/ml in water 60 mg/ml in ethylene glycol methyl ether 20 mg/ml in ethanol
Appearance	Yellow solid powder or flakes
Storage	Room temperature
Color Index	41000
Pubchem CID	17170
Pubchem SID	475523901
Uses	In biology, Auramine O is used in combination with Rhodamine B as auramine-rhodamine stain to stain acid-fast organisms, e.g. Mycobacterium, where it forms a complex with the mycolic acid found in its cell wall.

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