Ponceau 4R
Ponceau 4R (Acid Red 18, CAS 2611-82-7) is a synthetic strawberry red azo dye used as a food colorant, stable to light, heat, and acid but fading with ascorbic acid. In research, it is applied in vitro for protein staining and as a tracer in biological studies.
Product Specifications
CAS Number
2611-82-7
Product Name Alternative
Dye reagent, Acid Red 18, New Coccine, Ponceau 4R
Purity
97.70% (May vary between batches)
Solubility
DMSO:9 mg/mL (14.89 mM) ; H2O:22.5 mg/mL (37.22 mM) ;10% DMSO+40% PEG300+5% Tween-80+45% Saline:0.5 mg/mL (0.83 mM)
Molecular Weight
604.46
Storage Conditions
-20°C
Notes
For research use only.
Available Sizes
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