205486

p-Xylenolblau

indicator grade, Dye content 90 %

• Synonym(e): p-Xylenolsulfonphthalein, Xylenolblau
• Empirische Formel (Hill-System): C₂₃H₂₂O₅S
• CAS-Nummer: 125-31-5
• Molekulargewicht: 410.48
• Beilstein: 363132
• EG-Nummer: 204-736-5
• MDL-Nummer: MFCD00005870
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24852335
• NACRES: NA.47

Eigenschaften

• Qualität: indicator grade
• Qualitätsniveau: 200
• Form: powder
• Zusammensetzung: Dye content, 90%
• Methode(n): titration: suitable
• Nützlicher pH-Bereich: 1.2-2.8, red to yellow(acid); 8.0-9.8, yellow to violet(alkaline)
• mp (Schmelzpunkt): 212 °C (dec.) (lit.)
• λmax: 424 nm
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: Cc1cc(c(C)cc1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c(O)cc4C
• InChI: 1S/C23H22O5S/c1-13-11-20(24)15(3)9-18(13)23(19-10-16(4)21(25)12-14(19)2)17-7-5-6-8-22(17)29(26,27)28-23/h5-12,24-25H,1-4H3
• InChIKey: MGUKYHHAGPFJMC-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Xylenol Blue is a dark brown powder and it belongs to the class of sulfonephthalein dyes. Xylenol Blue changes color from red (pH 1.2) to yellow (2.8) and yellow (8.0) to blue (9.6). It is widely used in food storage, drugs, determining bacterial growth, microbial assays and determining lipase.

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