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Ponceau S, Electrophoresis Grade

Product Code. 15493449
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Product Code. 15493449 Supplier Thermo Scientific Alfa Aesar Supplier No. J60744.18
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Descripción

Protein stain for electrophoresis | CAS: 6226-79-5 | C22H12N4Na4O13S4 | 760.552 g/mol

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.
TRUSTED_SUSTAINABILITY

Identificadores de productos químicos

CAS 6226-79-5
Molecular Formula C22H12N4Na4O13S4
Molecular Weight (g/mol) 760.552
MDL Number MFCD00003892
InChI Key VSXKEUCERCWGKF-STNZDNLRSA-J
Synonym C.I. 27195
PubChem CID 11320219
IUPAC Name tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate
SMILES C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Especificaciones

Solubility Information Soluble in water (10g/L) at 20°C. Insoluble in ether.
Formula Weight 760.58
Grade Electrophoresis
Color Brown to Red
Quantity 50 g
Physical Form Powder
Chemical Name or Material Ponceau S

RUO – Research Use Only

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