Ponceau S, Electrophoresis Grade

Product Code. 15483449

Brand: Thermo Scientific Alfa Aesar J60744.09

Description

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.

Specifications

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+]

• 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

Product Identifier

• Ponceau S, Electrophoresis Grade

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.

Precautionary Statement

• P264-Wash face, hands and anyexposed skin thoroughly after handling.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P312-Call a POISON CENTER/doctor/if you feel unwell.
• P337+P313-If eye irritation persists: Get medical advice/attention.

Supplemental information

• MIXTURE LIST-Contains : Ponceau S

SDS

RUO – Research Use Only