| Alternate Names | Basic Red 9; Basic Parafuchsin |
| Application | Pararosaniline hydrochloride is the primary component of Basic Fuchsin mixtures |
| CAS Number | 569-61-9 |
| Molecular Weight | 323.82 |
| Molecular Formula: | C19H17N3•HCl |
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
Pararosaniline hydrochloride is the main, pure component of Basic Fuchsin mixtures. It is used in acid-fast staining procedures that use carbol-fusion. It is used in Endo medium, a solution used in bacteriological analysis. It is used as Schiff’s reagent in the Periodic Acid Schiff and Feulgen techniques, staining methods used in pathology and histology. It is also used in Gomori’s aldehyde fuchsin method for hepatitis B surface antigen and pancreatic B cells.
TECHNICAL INFORMATION
| Physical State | Solid |
| Solubility | Soluble in water (2-3 mg/ml), ethanol (2-25 mg/ml), ether, and diethyl ether. |
| Storage | Store at room temperature |
| Melting Point | 268-270° C |
| pK Values | pKb: 7.03 |
| Refractive Index: | n20D 1.33 |
SAFETY INFORMATION
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
| WGK Germany | 3 |
| RTECS | CX9850100 |
| PubChem CID | 11292 |
| MDL Number | MFCD00001657 |
| EC Number | 209-321-2 |
| Beilstein Registry | 4164603 |
| SMILES | C1=CC(=N)C=CC1=C(C2=CC=C(C=C2)N)C3=CC=C(C=C3)N.Cl |