Sudan Black B
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Description
A nonfluorescent black biological stain. Sudan Black B is a diazo type dye that has been used as a general stain for oils and fats. It also stains acrylic emulsions (Messinger 1992).
Synonyms and Related Terms
SB; CI 26150; Fat Black HB; Solvent Black 3; negro sudán B (Esp.)
Risks
- Contact may cause irritation.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Soluble in nonpolar solvents. Maximum absorption wavelength = 598 nm.
| Composition | C29H24N6 |
|---|---|
| CAS | 4197-25-5 |
| Melting Point | 120-124 C |
| Molecular Weight | mol. wt. = 456.2082 |
Additional Information
- J.Messinger, "Ultraviolet-Fluorescence Microscopy of Paint Cross Sections", 31(3):267-274, 1992. Link
- R.Wolbers, G.Landry, "The Use of Direct Reactive Fluorescent Dyes for the Characterization of Binding Media in Cross Sectional Examinations" in Preprints of the AIC Meeting in Vancouver, 1987.
- M.Johnson, E.Packard, "Methods Used for Identification of Binding Media in Italian paintings of the 15th and 16th Centuries" Studies in Conservation, 16:145-164, 1971.
- Aldrich Chemical Catalog