Imprimer

3-Hydroxy-4-(2-sulfonato-4-(4-sulfonatophénylazo)phénylazo)naphtalène-2,7-disulfonate de tétrasodium 75% (teneur en colorant), Sigma-Aldrich®

Marques : SIGMA ALDRICH MICROSCOPY
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Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

Attention

Synonyme(s): 3-Hydroxy-4-(2-sulpho-4-[4-sulphophenylazo]phenylazo)-2,7-naphthalenedisulphonic acid sodium salt, CI 27195, Ponceau, 3-Hydroxy-4-((2-sulpho-4-((4-sulphophenyl)diazenyl)phenyl)diazenyl)naphthalene-2,7-disulphonic acid, tetrasodium salt

M-Clarity™ (Niveau de Qualité) = MQ200

141194-100G 141194-25G
141194-100GEA 274 EUR
141194-100G 141194-25G
3-Hydroxy-4-(2-sulfonato-4-(4-sulfonatophénylazo)phénylazo)naphtalène-2,7-disulfonate de tétrasodium 75% (teneur en colorant), Sigma-Aldrich®
3-Hydroxy-4-(2-sulfonato-4-(4-sulfonatophénylazo)phénylazo)naphtalène-2,7-disulfonate de tétrasodium

Ponceau S (C.l. 27195) is an anionic, very hydrophilic disazo dye. It is also known as fast ponceau 2B. Ponceau S is widely used to stain proteins on gel electropherograms. It is a suitable stain for proteins adsorbed onto nitrocellulose membranes. It also has applications in botanical staining manuals as a stain for sieve plate elements.

Formule: C₂₂H₁₂N₄Na₄O₁₃S₄
Poids moléculaire: 760.56 g/mol
Température de stockage: Température ambiante
Numéro MDL: MFCD00003892
Numéro CAS: 6226-79-5
EINECS: 228-319-2
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Résultats des tests de spécification

Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Wavelength C=0.015 G/L DI water 518 - 522 nm
Extinction Coefficient ≥33000
Carbon 25.9 - 43.2 %
Nitrogen 5.4 - 9.2 %


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