Common Name: Fast yellow
Suggested Name: Fast yellow
Other Names:
Fast yellow G, Fast yellow extra, Acetyl yellow
C.I. Number: 13015
C.I. Name: Acid yellow 9
Color: Yellow
Solubility Aqueous: 18.40%
Solubility Ethanol: 18.40%
Absorption Maximum: 490 (Conn), 381 (Gurr)
Empirical Formula: C13H9N3O6S2Na2
Formula Weight: 401.342
Description
This dye is not commonly used, but it has been specified in Wallart & Honette's trichrome stain, where it stains collagen yellow, in contrast to red cytoplasm.
References
- R. D. Lillie.
Conn’s Biological Stains
Williams & Wilkins, Baltimore, MD., U.S.A. - Edward Gurr, 1971
Synthetic dyes in biology, medicine and chemistry
Academic Press, London, England.