XYLENOL BLUE INDICATOR GRADE (C005B-012900)

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.

Molecular Weight: 410.48. Empirical Formula: C₂₃H₂₂O₅S. 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.). λ. _max: 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. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable. Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves.