205486

Xylenol Blue

indicator grade, Dye content 90 %

• Synonyma: p-Xylenol Blue, p-Xylenolsulfonephthalein
• Empirický vzorec (Hillův zápis): C₂₃H₂₂O₅S
• Číslo CAS: 125-31-5
• Molekulová hmotnost: 410.48
• Beilstein/REAXYS Number: 363132
• EC Number: 204-736-5
• MDL number: MFCD00005870
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852335
• NACRES: NA.47

Vlastnosti

• grade: indicator grade
• Quality Level: 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

Popis

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.

Bezpečnostní informace

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