Brilliant Blue R-250
Description
A bright blue biological stain. Brilliant Blue R-250 is a dye diazo dye that has been used for staining proteins in paint cross sections and gel electrophoresis. It has also been used as a textile dye and wood stain.
Synonyms and Related Terms
Acid Blue 83; CI 42660; Brillantblau (Deut.); Brilliant Blue R250; Brilliant Blue R; Coomassie R-250;
Other Properties
Soluble in water, ethanol Insoluble in vegetable oils.
Maximum absorption wavelength = 585 nm.
| Composition | C45H45N3O7S.Na |
|---|---|
| CAS | 6104-59-2 |
| Molecular Weight | mol. wt. = 825.99 |
Hazards and Safety
Contact may cause irritation.
Mallinckrodt Baker: MSDS
Additional Information
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.
Authority
- Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990
- Aldrich Chemical Catalog
- Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995