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Bleu brillant de Coomassie G250, poudre pourpre foncé C.I. 42655

Marques : MP Biomedicals
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Synonyme(s): Hydrogéno[4-[4-(p-ethoxyanilino)-4'-[éthyl(m-sulfonatobenzyl)amino]-2'-méthylbenzhydrylène]-3-méthylcyclohexa-2,5-diène-1-ylidène](éthyl)(m-sulfonatobenzyl)ammonium sel de monosodium, Bleu de Coomassie® brillant G250

0219034380 0219034305 0219034325
ICNA0219034380EA 681 EUR
ICNA0219034380 ICNA0219034305 ICNA0219034325
Bleu brillant de Coomassie G250, poudre pourpre foncé C.I. 42655
Bleu brillant de Coomassie G250

Coomassie Brilliant Blue G-250 is a protein stain in electrophoresis. Brilliant Blue G has been used in the Bradford dye-binding protein assay.


A mechanism for dye binding to protein has been proposed, based on measuring Coomassie Brilliant Blue G-250 (CBBG) absorbance spectra during titration of the dye reagent in the absence of protein and its response to different polyamino acids. Brilliant Blue G has been used for determining critical micelle concentration of detergents. It is a P2X7 purinergic receptor antagonist.


A mechanism for dye binding to protein has been proposed, based on measuring Coomassie Brilliant Blue G-250 (CBBG) absorbance spectra during titration of the dye reagent in the absence of protein and its response to different polyamino acids. Brilliant Blue G has been used for determining critical micelle concentration of detergents. It is a P2X7 purinergic receptor antagonist.


Soluble in hot water (50 mg/ml), ethanol (40 mg/ml), methanol and 10% trichloroacetic acid. Soluble in water (1 mg/ml) yielding dark Blue Solution.

Formule: C₄₇H₄₈N₃NaO₇S₂
Poids moléculaire: 854.04 g/mol
Densité: 1 g/cm³ (20 °C)
Température de stockage: Température ambiante
Numéro MDL: MFCD00078482
Numéro CAS: 6104-58-1
EINECS: 228-058-4

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Résultats des tests de spécification

Identity Test Passes
UV/VIS: l max (methanol) 608 ± 3 nm


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