| Alternate Names | Aurin |
| Application | Rosolic acid is a useful dye and pH indicator between pH 5.0- 6.8 |
| CAS Number | 603-45-2 |
| Molecular Weight | 290.32 |
| Molecular Formula | C19H14O3 |
| Supplemental Information | This is classified as a Dangerous Good for transport and may be subject to additional shipping charges. |
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
Rosolic acid is a synthetic dye useful as a pH indicator between pH 5.0 – 6.8 with color changes from yellow to pink.
TECHNICAL INFORMATION
| Appearance | Powder |
| Physical State | Solid |
| Solubility | Soluble in alcohol , concentrated acids, NaOH (freely), and KOH (freely). Insoluble in water. |
| Storage | Store at room temperature |
| Melting Point | 308-310° C (dec.) |
| Boiling Point | 542.96° C |
| Density | 1.32 g/cm3 |
| Refractive Index | n20D 1.69 |
SAFETY INFORMATION
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
| WGK Germany | 3 |
| PubChem CID | 5100 |
| Merck Index | 14: 881 |
| MDL Number | MFCD00001624 |
| EC Number | 210-041-8 |
| Beilstein Registry | 2055205 |
| SMILES | C1=CC(=O)C=CC1=C(C2=CC=C(C=C2)O) C3=CC=C(C=C3)O |