Tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonate

Base Information

• Chemical Name: Tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonate
• CAS No.: 6226-79-5
• Molecular Formula: C22H12N4Na4O13S4
• Molecular Weight: 760.57
• Hs Code.: 32041200
• European Community (EC) Number: 228-319-2
• UNII: T1C2UGS05F
• DSSTox Substance ID: DTXSID60889378
• Wikipedia: Ponceau_S
• Wikidata: Q2103492
• Mol file: 6226-79-5.mol

Synonyms:ponceau S;ponceau S red

Chemical Property of Tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonate

Chemical Property:

• Appearance/Colour: red powder
• Refractive Index: n20/D 1.338
• PSA: 331.99000
• Density: 1.01 g/mL at 20 °C
• LogP: 7.31580
• Storage Temp.: Store at RT.
• Solubility.: H2O: soluble1mg/mL
• Water Solubility.: 10 g/L
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 17
• Rotatable Bond Count: 4
• Exact Mass: 759.8874483
• Heavy Atom Count: 47
• Complexity: 1430

Purity/Quality:

98% ^*data from raw suppliers

Ponceau-S,SodiumSalt ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36-37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Dyes -> Azo Dyes
• Canonical SMILES: C1=CC(=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
• Uses: 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.