View source for Acridine yellow

{{chembox new
| ImageFile = Acridine yellow.png
| IUPACName = 2,7-dimethylacridine-3,6-diamine
| OtherNames = Acridine yellow G<br>Acridine yellow H107<br>Basic Yellow K<br>2,7-Dimethylproflavine
| Abbreviations = 
| Formula = C<sub>15</sub>H<sub>15</sub>N<sub>3</sub>
| MolarMass = 273.3g/mol
| CASNo = 92-26-2
| Appearance = Brown/red crystals
| Density = 
| Solubility = 
| MeltingPt = 
| BoilingPt = 
| pKa = 
| pKb = 
| IsoelectricPt = 
| DeltaHf = 
| DeltaHc = 
| EINECS = 202-141-5
| PubChem = 7081
| SMILES = CC1=CC2=CC3=CC<br>(=C(C=C3N=C2C=C1N)N)C
| InChI = 
| Section7 = {{Chembox Hazards
| EUClass = XN
| MainHazards = 
| NFPA-H = 2
| NFPA-F = 1
| NFPA-R = 0
| RPhrases = {{R20/21/22}}, {{R36/37/38}}, {{R68}}
| SPhrases = {{S26}}, {{S36/37/39}}
| RSPhrases = R:{{R1}}, {{R2}}<br/>S:{{S1}}, {{S2}}
| FlashPt = 
| Autoignition = 
| ExploLimits = 
| PEL = 
| RTECS = AR8790000 }}
}}
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'''Acridine yellow''', also known as '''acridine yellow G''', '''acridine yellow H107''', '''basic yellow K''', and '''3,6-diamino-2,7-dimethylacridine''', is a yellow [[dye]] with strong bluish-violet [[fluorescence]]. It is a derivate of [[acridine]]. In  [[histology]], it is used as a fluorescent [[Staining (biology)|stain]], and as a fluorescent probe for non-invasive measurements of [[cytoplasm]]ic [[pH]] changes in whole cells. It is also used as a topical [[antiseptic]]. It is usually available as a hydrochloride salt. Acridine yellow damages [[DNA]] and is used as a [[mutagen]] in [[microbiology]].

Acridine yellow is similar to [[acridine orange]].

==External links==
* [http://omlc.ogi.edu/spectra/PhotochemCAD/html/acridineyellow.html Acridine yellow absorption and emission spectra]

[[Category:Nitrogen heterocycles]]
[[Category:Acridine dyes]]
[[Category:Fluorescent dyes]]
[[Category:Staining dyes]]
[[Category:Antiseptics]]


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