Coomassie® brilliant blue R-250, pure

Supplier: Thermo Scientific Chemicals

Synonyms: Brillant blue RN-[4-[[4-[(4-Ethoxyphenyl)amino]phenyl][4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-3-sulfo-benzenemethanaminium inner salt, sodium salt (1:1)Brilliant Blue R250Brilliant indocyanine 6BBrilliant Blue RServa Blue RN-[4-[[4-[(4-Ethoxyphenyl)amino]phenyl][4-[ethyl[(3-sulphophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-3-sulpho-benzenemethanaminium inner salt, sodium salt (1:1)Hydrogen [4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulfonatobenzyl)amino]benzhydrylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulfonatobenzyl)ammonium monosodium saltCoomassie Blue R 250Hydrogen [4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulphonatobenzyl)amino]benzhydrylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulphonatobenzyl)ammonium monosodium saltAcid Blue 83Brilliant Cyanine 6B

19149-1000 19149-5000 19149-0050 19149-0250
TS19149-1000EA 248.33 USD
TS19149-1000 TS19149-0250 TS19149-0050 TS19149-5000
Coomassie® brilliant blue R-250, pure
Coomassie® Brilliant Blue R-250
Formula: C₄₅H₄₄N₃NaO₇S₂
MW: 825.98 g/mol
Melting Pt: 174…180 °C
Storage Temperature: Ambient
MDL Number: MFCD00041762
CAS Number: 6104-59-2
EINECS: 228-060-5

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Specification Test Results

Appearance Bordeaux to dark purple-brown Crystalline powder
Infrared spectrum Conforms
UV Lambda max 588 to 596 nm (in 50:50 ethanol:water)
Absorption Ratio P-15/P+15 1 to 1.2
Specific absorbance A (1%/1cm) ≥700 (at lambda max.)

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