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Coomassie Blue R-250

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Formula: C45H44N3NaO7S2
CAS: 6104-59-2
search Element: coomassie blue

Identification

Structural Formula
Coomassie Blue R-250
CAS:
6104-59-2
EINECS:
228-060-5
Molecular Formula:
C45H44N3NaO7S2
MDL:
MFCD00041762
SMILES:
CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC.[Na+]
Synonym:
acid cyanine 6b ; page blue 83 ; serva blue r ; r-250 ; c.i.acidblue83 ; derminaazure6b ; cbb r-250 ; ci no 42660 ; acid blue 83 ; ci 42660


Description

Coomassie Blue R-250 is a triphenylmethane dye used extensively in SDS-PAGE for the analysis of proteins. The dye molecule binds to proteins to form a protein-dye complex. This complex stabilizes the negatively charged anionic form of the dye producing the blue color, even under acidic conditions. Coomassie Blue R-250 is additionally used in the Bradford Assay to quantify the concentration of protein in a solution, such as cell lysates.


Suppliers

Santa Cruz Biotechnology, Inc.
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Prices & Availability




Data is processed


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Properties for Coomassie Blue R-250

Molecular Weight:
825.97 g·mol−1
Melting point:
174-180 °C
Flash point:
14 °C
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Safety & Transport Information

Risk Codes:
R10 - Flammable
R11 - Highly flammable
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed
R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin
R36/38 - Irritating to eyes and skin
R39/23/24/25 - Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
Safety Codes:
S16 - Keep away from sources of ignition - No smoking
S22 - Do not breathe dust
S24/25 - Avoid contact with skin and eyes
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S36/37 - Wear suitable protective clothing and gloves
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
Hazard Symbols:
F, T, Xn, Xi
Hazard symbol T Hazard symbol F Hazard symbol Xn Hazard symbol Xi
Storage temperature :
Store at RT.
RID/ADR certification :
UN 1230 3 / PG 2
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Alternative Distributors of [Coomassie Blue R-250]

Producers or manufacturers change the product range from time to time. Currently there are no other manufacturers known.
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MSDS:
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