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Auramine O Properties

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Auramine O

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Description

Auramine O is a diarylmethane dye used as a fluorescent stain. It can be used to stain acid-fast bacteria, where it binds to the mycolic acid in its cell wall, in a way similar to Ziehl-Neelsen stain. It can also be used as a fluorescent version of Schiff reagent. Auramine O can be used together with Rhodamine B as the Truant auramine-rhodamine stain for Mycobacterium tuberculosis. It can be also used as an antiseptic agent.

Chemical Properties

Appearance	Yellow powder
CAS Number	2465-27-2
EINECS Number	219-567-2
IUPAC Name	Bis[4-(Dimethylamino)Phenyl]Methaniminium Chloride
InChI	1S/C17H21N3.ClH/c1-19(2)15-9-5-13(6-10-15)17(18)14-7-11-16(12-8-14)20(3)4;/h5-12,18H,1-4H3;1H
InChIKey	KSCQDDRPFHTIRL-UHFFFAOYSA-N
Lab Grade	LR
Melting Point	267 °C
Molar Mass	303.83 g/mol
Molecular Formula	C₁₇H₂₂ClN₃
NFPA 704	H-1,F-0,R-0,C-NA
RTECS Number	BY3675000
Synonyms	Basic Yellow 2;Auramine O;Pyocatanium Aureum; Aizen Auramine;Pyoktanin Yellow;Canary Yellow;Pyoktanin;C.I. 41000

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