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Bromophenol blue sodium

Names

[ CAS No. ]:
62625-28-9

[ Name ]:
Bromophenol blue sodium

[Synonym ]:
sodium,2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
EINECS 204-086-2
MFCD00013793

Biological Activity

[Description]:

Bromophenol blue sodium is a pH indicator. It changes from yellow at pH 3.0 to blue at pH 4.6. Bromophenol blue sodium is also used as a tracking dye to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis[1][2].

[Related Catalog]:

Research Areas >> Others

[References]

[1]. Shokrollahi A, Zare E. Determination of acidity constants of bromophenol blue and phenol red indicators by solution scanometric method and comparison with spectrophotometric results. Journal of Molecular Liquids, 2016, 219: 1165-1171.

[2]. Gish G, Eckstein F. DNA and RNA sequence determination based on phosphorothioate chemistry. Science. 1988 Jun 10;240(4858):1520-2.  

Chemical & Physical Properties

[ Density]:
0.954 g/mL at 20ºC

[ Melting Point ]:
>300ºC

[ Molecular Formula ]:
C19H9Br4NaO5S

[ Molecular Weight ]:
691.94300

[ Exact Mass ]:
687.68000

[ PSA ]:
102.88000

[ LogP ]:
7.62510

[ Storage condition ]:
Store at RT.

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

[ Water Solubility ]:
soluble

MSDS

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Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
UN 2265 3

[ WGK Germany ]:
3

[ RTECS ]:
SJ7453000

Synthetic Route

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Precursor & DownStream

Precursor

DownStream

Related Compounds