Description
Bromphenol blue sodium salt is a well-established tracking dye for electrophoresis applications, supplied as the sodium salt with CAS number 34725-61-6 and empirical formula C₁₉H₉Br₄O₅SNa. With a molar mass of 691,9 g/mol and EG number 252-170-2, this indicator is widely used to monitor migration during gel electrophoresis of nucleic acids and proteins. The intense blue colouration provides clear visual tracking of the dye front under standard running conditions, supporting reliable separation workflows in analytical and molecular biology laboratories. This grade is intended for electrophoresis Physical and identity data align with the stated molar mass and formula, enabling straightforward integration into existing buffer and loading-dye protocols. Available from manufacturer Carl ROTH, the material suits routine PAGE and related electrophoretic methods where a stable bromophenol blue marker is required. The compact supports both method development and day-to-day laboratory consumption without excess bulk.
This article is part of Reference substances & reagents (other), in Analytical standards & reference materials.
Key features
- pH-transition range: 3.0 (yellow)-4.6 (blue)
- CAS number: 34725-61-6
- Pack sizes: 10 g, 5 g, 25 g
- EG nr.: 252-170-2
- Empirical formula: C₁₉H₉Br₄O₅SNa
- Molar mass: 691,9 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Bromphenol blue sodium salt, for electrophoresis, 10 g, glass
What is this article?
Bromphenol blue sodium salt, for electrophoresis, 10 g, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Reference substances & reagents (other), inside Analytical standards & reference materials, in Lab chemicals.
A reference substance has a stated identity and a stated content, used to check a method or to standardise a titration. It is a more tightly specified article than a reagent grade bottle of the same name. The lot's certificate is part of the product.
A reference material is the article against which another result is compared. Its value is stated, and the uncertainty of that value is part of the product. An ICP or ion standard is a solution of known concentration. A volumetric standard is for titration. A chromatography standard is the peak you match. The grade names, including pharmacopoeia and ASTM, say which impurities were limited. Identity is checked on PubChem. Names follow IUPAC. Medicinal grades follow the European Pharmacopoeia and USP.
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The category is Analytical standards & reference materials. The sub-category is Reference substances & reagents (other). The catalogue is Lab chemicals.
Shelves beside this one are ICP, AAS & ion standards, Chromatography standards (GC, HPLC, pesticides), Volumetric standard solutions (titration), Reagents for analysis (Ph. Eur., ASTM, DIN), Spectroscopy & physical property standards and Indicators & indicator solutions.
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