205486

Xylenol Blue

indicator grade, Dye content 90 %

• Sinónimos: p-Xylenol Blue, p-Xylenolsulfonephthalein
• Fórmula empírica (notación de Hill): C₂₃H₂₂O₅S
• Número de CAS: 125-31-5
• Peso molecular: 410.48
• Beilstein/REAXYS Number: 363132
• EC Number: 204-736-5
• MDL number: MFCD00005870
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852335
• NACRES: NA.47

Propiedades

• 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

Descripción

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.

Información de seguridad

• 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