COOMASIE BRILLIANT BLUE G-250 (C. I. NO. 42655)^*

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
C0075100005	For Electrophoresis		6104-58-1	C₄₇H₄₈N₃NaO₇S₂	854.04	3204.9000	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Dark brown powder

Appearance:	Dark brown powder
Loss on drying:	Max 8%
Suitability (for electrophoresis) :	Passes test
TLC test:	Passes test
Identity (UV/VIS spectrum):	Passes test
Absorption maxima (buffer pH 7.0):	577 - 584
Specific absorptivity A 1%/1cm (lmax; 0.01%; buffer pH 7.0):	520 - 570