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
• UNSPSC Code: 12171500
• NACRES: NA.47
• PubChem Substance ID: 24852335
• EC Number: 204-736-5
• Beilstein/REAXYS Number: 363132
• MDL number: MFCD00005870

Eigenschaften

• grade: indicator grade
• Quality Segment: 200
• form: powder
• composition: Dye content, 90%
• technique(s): titration: suitable
• useful pH range: 1.2-2.8, red to yellow(acid), 8.0-9.8, yellow to violet(alkaline)
• mp: 212 °C (dec.) (lit.)
• λmax: 424 nm
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: 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
• InChI key: MGUKYHHAGPFJMC-UHFFFAOYSA-N

Beschreibung

General description

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

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves