Coomassie brilliant blue G-250, pure
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:6104-58-1
:
Formula:C₄₇H₄₈N₃NaO₇S₂
MDL Number:MFCD00078482
:854.04 g/mol
Melting Pt:>100 °C
Density:Min, 1 g/cm³ (20 °C)
Storage Temperature:Ambient
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.)