Fig. 1 · Structure
Documents & Downloads
Ponceau 4R
Colourant
Ponceau 4R is a synthetic colorant primarily utilized as a dye in food applications. This strawberry red azo dye is synthesized from aromatic hydrocarbons and exhibits stability to light, heat, and acids, making it suitable for a variety of food products. Its vibrant coloring properties allow for effective use in food laboratories and quality control assessments.
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Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| CAS Number | 2611-82-7 |
| Applications | Colourant |
| Formula | C20H11N2Na3O10S3 |
| Molecular Weight | 604.47 |
| Synonyms | Acid Red 18; New Coccine |
| SMILES | O=S(C1=C2C(/N=N/C3=C4C=CC=CC4=C(S(=O)(O[Na])=O)C=C3)=C(O)C=CC2=CC(S(=O)(O[Na])=O)=C1)(O[Na])=O |
Storage & Solubility
In Vitro Solubility
Reported Solubility
No reported solubility data are available for this product.
Preparing Stock Solutions
| Concentration | |
|---|---|
Values use four significant digits. Prepare to the final solution volume; this is not the volume of solvent to add.
Stock preparation is unavailable for this product molecular weight.
Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.
Storage
Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.