Coomassie® brilliant blue R-250, Ultrapure

Supplier: VWR Chemicals

Synonyms: Brillant blue RBrilliant indocyanine 6BBrilliant Blue RServa Blue RCoomassie 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

0472-50GEA 177 CHF
0472-50G 0472-10G 0472-25G
Coomassie® brilliant blue R-250, Ultrapure
Coomassie® Brilliant Blue R-250

Commonly used stain for the detection of protein bands following electrophoresis.

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

Dye content (dry basis) ≥65 %
Em (550 nm, water, dry basis) ≥33000
Loss on drying ≤5.0%
Solubility (0.020 g/l, water) Pass

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