Coomassie brilliant blue G-250, pure
Supplier: Thermo Scientific
Synonyms:
Brilliant blue G-250, Serva Blue G, Coomassie Blue G 250, Xylene Brilliant Cyanine G, Brillant blue G, Hydrogen [4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulphonatobenzyl)amino]-2'-methylbenzhydrylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulphonatobenzyl)ammonium monosodium salt, C.I. 42655, Acid Blue 90, Sodium 3-(((4-((4-((4-ethoxyphenyl)amino)phenyl)(4-(ethyl(3-sulphonatobenzyl)iminio)-2-methylcyclohexa-2,5-dien-1-ylidene)methyl)-3-methylphenyl)(ethyl)amino)methyl)benzenesulphonate, Brilliant indocyanine G, Brilliant Blue G
191480050
191480250
191481000
191485000
ACRO191480050EA
43.1
GBP
ACRO191480050
ACRO191480250
ACRO191481000
ACRO191485000
Coomassie brilliant blue G-250, pure
Coomassie brilliant blue G-250
Formula:
C₄₇H₄₈N₃NaO₇S₂ MW: 854,04 g/mol Melting Pt: >100 °C Density: Min, 1 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00078482 CAS Number: 6104-58-1 EINECS: 228-058-4 |
Specification Test Results
Appearance | Dark blue to dark purple Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤10 % (1 g, 105°C, 3 h) |
HPLC | ≥80 % |
UV Lambda max | 608 to 618 nm (in 50:50 IMS:H2O) |
Absorption Ratio P-15/P+15 | 0.95 to 1.15 |
Specific absorbance A (1%/1cm) | ≥350 (at lambda max.) |
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