141194

Ponceau S

Dye content 75 %

• Synonym(e): 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)-phenylazo]-2,7-naphthalindisulfonsäure Natriumsalz
• Empirische Formel (Hill-System): C₂₂H₁₂N₄Na₄O₁₃S₄
• CAS-Nummer: 6226-79-5
• Molekulargewicht: 760.57
• Farbindexnummer: 27195
• EG-Nummer: 228-319-2
• MDL-Nummer: MFCD00003892
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24848493
• NACRES: NA.47

Eigenschaften

• Form: powder
• Qualitätsniveau: 200
• Zusammensetzung: Dye content, 75%
• Methode(n): microbe id | staining: suitable
• λmax: 352 nm; 520 nm (2nd)
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: [Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2ccc(cc2S([O-])(=O)=O)\N=N\c3ccc(cc3)S([O-])(=O)=O)c4ccc(cc4cc1S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;
• InChIKey: KQHKSGRIBYJYFX-WNDMICSESA-J

Beschreibung

Allgemeine Beschreibung

Ponceau S (C.l. 27195) is an anionic, very hydrophilic disazo dye. It is also known as fast ponceau 2B.

Anwendung

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.

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves