| Alternate Names | Alum lake of Carminic acid; Cochineal; Nacarat; Natural Red 4 |
| Application | Carmine is a pigment of a bright red color obtained from carminic acid |
| CAS Number | 1390-65-4 |
| Molecular Weight | 492.39 |
| Molecular Formula: | C22H20O13 |
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
Carmine is a pigment of a bright red color obtained from carminic acid. It has use as a microscopic stain and biological marker.
TECHNICAL INFORMATION
| Appearance | Powder |
| Physical State | Solid |
| Solubility | Soluble in alkali solution, borax, hot water (slightly soluble), 2N ammonium hydroxide, and ethanol (0.8 mg/ml). Insoluble in cold water, and dilute acids. |
| Storage | Store at 4° C |
| Melting Point | 349.84° C (Predicted) |
| Boiling Point | ~907.60° C at 760 mmHg (Predicted) |
| Density | ~1.9 g/cm3 (Predicted) |
| Refractive Index | n20D 1.79 (Predicted) |
SAFETY INFORMATION
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
| WGK Germany | 2 |
| RTECS | FH8891000 |
| PubChem CID | 14950 |
| Merck Index | 14 |
| MDL Number | MFCD00167028 |
| EC Number | 215-724-4 |
| SMILES | CC1=C2C(=CC(=C1C(=O)O)O)C(=O)C3=C(C2=O)C(=C(C(=C3O)O) C4C(C(C(C(O4)CO)O)O)O)O |