Carmine A pigment of a bright red color obtained from carminic acid

Carmine (CAS 1390-65-4)

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Synonym: Alum lake of Carminic acid; Cochineal; Nacarat; Natural Red 4
Application: A pigment of a bright red color obtained from carminic acid
CAS Number: 1390-65-4
Purity: ≥40% Carminic Acid
Molecular Weight: 492.39
Molecular Formula: C22H20O13
* Refer to Certificate of Analysis for lot specific data (including water content).
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Carmine is a pigment of a bright red color obtained from carminic acid. It has use as a microscopic stain and biological marker.

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)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
2
RTECS :
FH8891000
PubChem CID :
14950
Merck Index :
14,1843
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

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Certificate of Analysis

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Carmine  Product Citations

See how others have used Carmine. Click on the entry to view the PubMed entry .

Citations 1 to 1 of 1 total

PMID: # 16288002  Reddy, HK. et al. 2005. Cancer Res. 65: 10174-10178.

Citations 1 to 1 of 1 total
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