| Bioactivity | 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]. | ||||||||||||
| Name | Bromophenol blue sodium | ||||||||||||
| CAS | 62625-28-9 | ||||||||||||
| Formula | C19H9Br4NaO5S | ||||||||||||
| Molar Mass | 691.94 | ||||||||||||
| Appearance | Solid | ||||||||||||
| Transport | Room temperature in continental US; may vary elsewhere. | ||||||||||||
| Storage |
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| Reference | [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. |