M-CRESOL PURPLE INDICATOR GRADE (C005B-000084)

General description

m-Cresol Purple (meta Cresol Purple) is a sulfonephthalein dye. It is also known as m-Cresolsulfonphthalein.

Application

m-Cresol purple has been used to measure pH via spectrophotometer.

Biochem/physiol Actions

m-Cresol purple is a pH indicator. It changes from red (pH 1.2) to yellow (2.8) and yellow (7.4) to purple (9.0).

Molecular Weight: 382.43. Empirical Formula: C₂₁H₁₈O₅S. 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), 7.4-9.0, yellow to violet(alkaline). λ. _max: 371 nm (2nd), 579 nm. application(s): diagnostic assay manufacturing
hematology
histology. storage temp.: room temp. SMILES string: Cc1cc(O)ccc1\C(: C2/C: CC(: O)C: C2C)c3ccccc3S(O)(: O): O. InChI: 1S/C21H18O5S/c1-13-11-15(22)7-9-17(13)21(18-10-8-16(23)12-14(18)2)19-5-3-4-6-20(19)27(24,25)26-21/h3-12,22-23H,1-2H3. InChI key: OLQIKGSZDTXODA-UHFFFAOYSA-N. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable.