Coomassie® Brillantblau R 250 ~50% (Farbstoffgehalt), technische Qualität, Sigma-Aldrich®

Lieferant: SIGMA-ALDRICH MICROSCOPY

Synonyms: Coomassie Blau R 250Brillantindocyanin 6BServa Blue RBrillantblau RXylenbrillantcyaninAcid Blue 83Hydrogen[4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulfonatobenzyl)amino]benzhydrylen]cyclohexa-2,5-dien-1-yliden](ethyl)(m-sulfonatobenzyl)ammonium Mononatriumsalz

M-Clarity™ Qualitätsstufe = MQ200

B0149-5GEA 30.8 CHF
B0149-5G B0149-25G B0149-100G B0149-500G
Coomassie® Brillantblau R 250 ~50% (Farbstoffgehalt), technische Qualität, Sigma-Aldrich®
Coomassie® Brillantblau R 250

Brilliant Blue R (C.l. 42660) is a triaminotriarylmethane dye with two amino groups being benzylated and one phenylated. It is also known as brilliant indocyanine 6B and coomassie blue R250. Brilliant Blue R has been widely used for protein band detection after SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis).


  • Its other applications include:
  • as a protein stain on epoxy-embedded tissue sections
  • for quantitative micro densitometry of protein in sections
  • for staining chromatids, actinin microfilaments, developing neurites, and sperm acrosomes
  • For detection of protein bands following electrophoresis

Formel: C₄₅H₄₄N₃NaO₇S₂
MW: 825,98 g/mol
Melting Pt: 174…180 °C
Lager Temperatur: Room Temperature
MDL Number: MFCD00041762
CAS-Nummer: 6104-59-2
EINECS: 228-060-5

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Spezifikation Testergebnisse

Appearance (Form) Powder
Suitability For Detection of Protein Bands Following Electrophoresis Suitable
Solubility (Colour) Very Dark Purple to Very Dark Blue and Dark Blue-Black
Carbon 32.0 - 42.0 %
Nitrogen 2.5 - 3.5 %
Dye Content Approximately 50%

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