COOMASIE BRILLIANT BLUE R-250 (C. I. NO. 42660) *

COOMASIE BRILLIANT BLUE R-250 (C. I. NO. 42660) COOMASIE BRILLIANT BLUE R-250 (C. I. NO. 42660)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
C0075200005 For GEL Electrophoresis 6104-59-2 C45H44N3NaO7S2 825.99 3204.9000
 60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Brownish purple

Vapour density

28.5

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 Brownish purple powder

Loss on drying:

 Max 5%

Suitability (for electrophoresis) :

 Passes test

Identity (UV/VIS spectrum):

 Passes test

Absorption maxima (buffer pH 7.0):

 554 - 563

Specific absorptivity A1%/1cm (lmax; 0.025%; buffer pH 7.0):

 Min 300

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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