Ponceau S, 0.1% v/v soln. in 5% acetic acid

Description

CAS: 6226-79-5 | C22H12N4Na4O13S4 | 760.552 g/mol

Ponceau S is used to prepare a stain for rapid reversible detection of protein bands on nitrocellulose or polyvinylidene fluoride membranes, as well as on cellulose acetate membranes. And it is also used as a rapid protein band stain.

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.

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: ponceau s, acid red 112, ponceau s extra, ponceau red s, unii-t1c2ugs05f, c.i. acid red 112, t1c2ugs05f, 3-hydroxy-4-2-sulfo-4-4-sulfophenylazo phenylazo-2,7-naphthalenedisulfonic acid sodium salt, c.i. acid red 112, tetrasodium salt, ponceau-s
• 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+]

• Color: Red
• Concentration: 0.2% v/v soln. in 5% acetic acid
• Solubility Information: Soluble in water (1mg/ml). Insoluble in ether.
• Formula Weight: 760.56
• Quantity: 500 mL
• Physical Form: Liquid
• Chemical Name or Material: Ponceau S

Safety and Handling

TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only