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Ponceau S, Electrophoresis Grade
Protein stain for electrophoresis | CAS: 6226-79-5 | C22H12N4Na4O13S4 | 760.552 g/mol
Supplier: Thermo Scientific Chemicals J6074430
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.
ApplicationsPonceau 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.
Specifications
| Ponceau S | |
| C22H12N4Na4O13S4 | |
| C.I. 27195 | |
| VSXKEUCERCWGKF-STNZDNLRSA-J | |
| tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate | |
| 11320219 | |
| Electrophoresis | |
| 250 g |
| 6226-79-5 | |
| MFCD00003892 | |
| Soluble in water (10g/L) at 20°C. Insoluble in ether. | |
| 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+] | |
| 760.552 | |
| 760.58 | |
| Brown to Red | |
| Powder |
Chemical Identifiers
| 6226-79-5 | |
| 760.552 | |
| VSXKEUCERCWGKF-STNZDNLRSA-J | |
| 11320219 | |
| 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+] |
| C22H12N4Na4O13S4 | |
| MFCD00003892 | |
| C.I. 27195 | |
| tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate |
Safety and Handling
GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
H315-H319-H335
EINECSNumber : 228-319-2
RTECSNumber : QJ6600000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only