| Alternate Names | Natural Red 28 |
| Application | Orcein (Synthetic) is a useful microscopy dye for flagella stains |
| CAS Number | 1400-62-0 |
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
Orcein (Synthetic) is a red dye used in microscopy as a mordant for the staining of flagella, as well as for detecting elastic tissue in sputum.
TECHNICAL INFORMATION
| Appearance | Powder |
| Physical State | Solid |
| Solubility | Soluble in acetone, alcolhol, acetic acid (red color), and dillute aqueous alkali (blue-violet color). Insoluble in water. |
| Boiling Point | ~779.0° C at 760 mmHg (Predicted) |
| Storage | Store at room temperature |
| Density | ~1.6 g/cm3 (Predicted) |
| pK Value | pKa: 9.27 (Predicted), pKb: 0.99 (Predicted) |
| Refractive Index: | n20D 1.76 (Predicted) |
SAFETY INFORMATION
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
| WGK Germany | 3 |
| PubChem CID | 5386447 |
| Merck Index | 14: 6863 |
| MDL Number | MFCD00062310 |
| EC Number | 215-750-6 |
| SMILES : | CC1=CC(=CC(=C1NC2=C(C3=C4C(=C(C(=O)C=C4OC3=CC2=O)NC5=C(C=C(C=C5C)O)O)C)C)O)O |