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  6. Ponceau S, Electrophoresis Grade, Thermo Scientific Chemicals

Ponceau S, Electrophoresis Grade, Thermo Scientific Chemicals

Catalog No. AAJ6074409
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Quantity:
10 g
50 g
250 g

Description

Protein stain for electrophoresis

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

Chemical Identifiers

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+]

Specifications

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

Safety and Handling

Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber 228-319-2
RTECSNumber QJ6600000
TSCA Yes
Recommended Storage Ambient temperatures
SDS

RUO – Research Use Only

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