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CAS RN: 6104-59-2 | Product Number: B3194

Coomassie Brilliant Blue R-250 [for Electrophoresis]

Chemical Substance Law (ENCS):   5-1655
  • Acid Cyanine 6B
  • Alizarin Rubinol 5G
  • Solar Cyanine 6B
  • Acid Blue 83
  • Brilliant Blue R
  • CBB R-250
≥20  9   ≥20 
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Product Number B3194
Grade SU
Molecular Formula / Molecular Weight C__4__5H__4__4N__3NaO__7S__2 = 825.97  
Physical State (20 deg.C) Solid
CAS RN 6104-59-2
Reaxys Registry Number 5718025
PubChem Substance ID 87560299
Colour Index 42660
MDL Number


Appearance Orange to Brown to Dark purple powder to crystal
Lambda max. 586.0 to 590.0 nm(MeOH)
Absorbance(E1%1cm) min. 800(MeOH, 586.0 to 590.0 nm)
Functionality test to pass test
Properties (reference)
Solubility (soluble in) Ethanol
Related Laws:
Chemical Substance Law (ENCS) 5-1655
Transport Information:
PubMed Literature

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