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Cresol Red sodium salt
Catalog number: B21361.22
100 g, Each
Thermo Scientific Chemicals
Cresol Red sodium salt
Catalog number: B21361.22
100 g, Each
Quantity
Catalog number: B21361.22
also known as B21361-22
Price (USD)
208.00
Each
Quantity
-
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Chemical Identifiers
CAS
62625-29-0
IUPAC Name
sodium 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-3H-2,1λ⁶-benzoxathiol-3-yl]-2-methylbenzen-1-olate
Molecular Formula
C21H17NaO5S
InChI Key
FMKJVYROEYMYFV-UHFFFAOYNA-M
SMILES
[Na+].CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C([O-])C(C)=C1
Specifications
Specification SheetForm
Powder
Color Change
Yellow @ pH <7.2 to red/purple @ pH >8.8
Color Change
Orange @ pH <2.0 to yellow @ pH >3.0
Appearance (Color)
Orange to red to dark red to brown to dark brown
Solution Test
0.1% in water: Clear yellow solution
Description
Cresol Red sodium salt acts as a constituent of polymerase chain reaction reagent systems. It is useful as a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8. Further, it plays an important role in molecular biology reactions in place of other loading dyes.
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
Cresol Red sodium salt acts as a constituent of polymerase chain reaction reagent systems. It is useful as a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8. Further, it plays an important role in molecular biology reactions in place of other loading dyes.
Solubility
Soluble in water, dilute alcohols, acids, alkalies and ethanol.
Notes
Transition interval (acid): pH 0.2 (red) to pH 1.8 (yellow); (alkaline) pH 7.2 (yellow) to pH 8.8 (red)Incompatible with strong oxidizing agents.
Cresol Red sodium salt acts as a constituent of polymerase chain reaction reagent systems. It is useful as a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8. Further, it plays an important role in molecular biology reactions in place of other loading dyes.
Solubility
Soluble in water, dilute alcohols, acids, alkalies and ethanol.
Notes
Transition interval (acid): pH 0.2 (red) to pH 1.8 (yellow); (alkaline) pH 7.2 (yellow) to pH 8.8 (red)Incompatible with strong oxidizing agents.
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