Coomassie brilliant blue G 250 – is a member of the Coomassie dye family and is commonly used in analytical biochemistry to stain proteins in SDS-PAGE and BN-PAGE.
| Coomassie Brilliant Blue G 250 For Microscopy - Specification | |
| Synonyms | Acid blue 90, Brilliant Blue G |
| Grade | Microscopy |
| Categories | Biological stains, Stains & dyes |
| Appearance Form | Powder |
| Appearance Colour | Dark blue to dark purple colour |
| Absorption maxima λ max (Buffer pH7.0) | 577-584 nm |
| Spec. absorptivity A 1% cm (λ max;0.001%; Buffer pH7.0) | 520-570 |
| Loss on drying | max 8% |
| Colour Index Number | 42655 |
| TLC test | Passes test |
| Coomassie Brilliant Blue G 250 For Molecular Biology - Specification | |
| Appearance (Colour) | Dark blue to violet to brown |
| Appearance (Form) | Crystalline powder |
| Absorbance (A) of 1% aq. solution (pH 7.0) in a 1cm cell | |
| @560nm | 520 - 570 |
| Suitability for Electrophoresis | Passes test |
| Storage | 25 to 40°C (Room Temperature) |