Auramine O 80% C.I. 41000


Auramine O can be used to stain acid-fast bacteria (e.g. Mycobacterium), 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.

  • Biological Staining
  • Fluorescent Staining of mycobacteria

C.I. 41000
Minimum Assay: >80%
Molecular Formula: C17H22N3HCl
Molecular Weight: 321.84 g/mol
Melting Point: >250 C
Wavelength Absorption Max: 436.5nm
Absorption Ration (Lambad Max 15nm): 1.06
Specific Absorption(E1% in 100mm cell): 1129
Moisture Content: <10%

Hazard Class: 6.1

Packing Group: 3

Hazard Phrases: Harmful if swallowed. Toxic in contact with skin. Suspected of causing cancer .

Prec Phrases: Wear protective gloves/protective clothing/eye protection/face protection. Call a POISON CENTER or doctor/physician if you feel unwell.


Cas No: 2465-27-2
Einecs No: 219-567-2


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Additional information

Weight N/A
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5gm, 10gm, 25gm, 100gm