Cresol Red, pH Indicator, Reagent, 95+%, 25g

Cresol Red, pH Indicator, Reagent, 95+%, 25g
For Research & Development
Not for drug, human, animal, or food use

Certificate of Analysis:
Appearance (Color) Green
Appearance (Form) Powder
Assay (Dye Content) 95+%
Infrared Spectrum Conforms to Structure
Absorption Max. (in Borate Buffer; pH 9) 570 (367) nm
Carbon 61.3 - 70.5 %
TLC Conforms Consistent with Control
Visual Transition Intervals pH 2.0 to pH 3.0 (Orange to Yellow)
pH 7.2 to pH 8.8 (Yellow to Red)

CAS: 1733-12-6

FORMULA: C₂₁H₁₈O₅S