Bromophenol Blue sodium salt
Bromophenol Blue sodium salt
Bromophenol Blue sodium salt
Thermo Scientific Chemicals

Bromophenol Blue sodium salt

CAS: 34725-61-6 | C19H9Br4NaO5S | 691.96 g/mol
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Quantity:
10 g
50 g
Catalog number A16899.09
also known as A16899-09
Price (EUR)
33,60
Each
Quantity:
10 g
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Price (EUR)
33,60
Each
Chemical Identifiers
CAS34725-61-6
IUPAC Namesodium 3,5-dibromo-4-[3-(2,6-dibromo-4-hydroxyphenyl)-1,1-dioxo-3H-2,1λ⁶-benzoxathiol-3-yl]benzen-1-olate
Molecular FormulaC19H9Br4NaO5S
InChI KeyKGANHHDZDYZJEM-UHFFFAOYNA-M
SMILES[Na+].OC1=CC(Br)=C(C(Br)=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=C(Br)C=C([O-])C=C1Br
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SpecificationsSpecification SheetSpecification Sheet
Color ChangeYellow @ pH 3.0 to blue @ pH 4.6
Appearance (Color)Dark green to blue to brown to dark grey to black
Solution Test0.1% in water: Clear
FormPowder
Bromophenol blue sodium salt is a tracking dye for protein or nucleic acid electrophoresis in polyacrylamide or agarose gels. Keep away from strong oxidizing agents. It is used in analytical chemistry as Ph indicators. It is also used as a tracking dye for alkaline and neutral buffer systems. It is used as an acid-base indicator and a gel electrophoresis color marker.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Bromophenol blue sodium salt is a tracking dye for protein or nucleic acid electrophoresis in polyacrylamide or agarose gels. Keep away from strong oxidizing agents. It is used in analytical chemistry as Ph indicators. It is also used as a tracking dye for alkaline and neutral buffer systems. It is used as an acid-base indicator and a gel electrophoresis color marker.

Solubility
Soluble in water and slightly soluble in alcohol.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Stable under recommended storage conditions.
RUO – Research Use Only

General References:

  1. W Feldberg.; K Fleischhauer. Penetration of bromophenol blue from the perfused cerebral ventricles into the brain tissue. The Journal of physiology.1960150 (2), 451-462.
  2. E Kennedy.; H Barker. Paper chromatography of volatile acids. Analytical Chemistry.195123 (7), 1033-1034.
  3. Acid-base indicator: pH 3.0 - 4.6.