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Ponceau S, Electrophoresis Grade, Thermo Scientific Chemicals
Catalog number: J60744.18
50 g, Each
Thermo Scientific Chemicals
Ponceau S, Electrophoresis Grade, Thermo Scientific Chemicals
Catalog number: J60744.18
50 g, Each
Quantity
Catalog number: J60744.18
also known as J60744-18
Price (USD)
Price: 64.00
Online price: 54.65
Your price:
Quantity
-
Chemical Identifiers
CAS
6226-79-5
IUPAC Name
tetrasodium (4Z)-3-oxo-4-(2-{2-sulfonato-5-[2-(4-sulfonatophenyl)diazen-1-yl]phenyl}hydrazin-1-ylidene)-3,4-dihydronaphthalene-2,7-disulfonate
Molecular Formula
C22H12N4Na4O13S4
InChI Key
LZYGEJPERQQCIY-STNZDNLRSA-J
SMILES
[Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)N=NC1=CC=C(C(N\N=C2/C(=O)C(=CC3=CC(=CC=C23)S([O-])(=O)=O)S([O-])(=O)=O)=C1)S([O-])(=O)=O
Specifications
Specification SheetAppearance (Color)
Red-brown to dark brown
Absorbance
1%/1cm at lambda max. 519.4 nm: ≥460
Form
Powder
Loss on Drying
≤5.0%
Assay (Dye)
Dye Content: ≥80.0%
Description
Ponceau S dye is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. It is also suitable for electrophoresis, azo dye for reversible protein staining. This stain can also be used as a fiducial marker in mass spectrometric imaging.
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
Ponceau S dye is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. It is also suitable for electrophoresis, azo dye for reversible protein staining. This stain can also be used as a fiducial marker in mass spectrometric imaging.
Solubility
Soluble in water (10 g/L) at 20°C. Insoluble in ether.
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away fom strong oxidizing agents.
Ponceau S dye is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. It is also suitable for electrophoresis, azo dye for reversible protein staining. This stain can also be used as a fiducial marker in mass spectrometric imaging.
Solubility
Soluble in water (10 g/L) at 20°C. Insoluble in ether.
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away fom strong oxidizing agents.
RUO – Research Use Only
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