Carmine

Name: Carmine

CAS Registry Number: 1390-65-4

CA Index Name: Carmine

Other Names: Alum carmine; Alum lake; Alum lake of carminic acid; B Rose Liquid; C.I. 75470; Carmine; Carmine alum lake; Carmine red; Cochineal; Cochineal extract; Nacarat; Natural Red 4

Merck Index Number: Not listed

Chemical / Dye Class: Anthraquinone

Molecular Formula: C₄₄H₄₃AlCaO₃₂

Molecular Weight: 1150.86

Physical Form: Red powder

Solubility: Slightly soluble in water; soluble in alkali solution; insoluble in cold water

Melting Point: 138-140 °C (darkens)

Absorption (λ_max): 531 nm, 563 nm

Synthesis: Synthetic methods

Staining Applications: Beverages; candies; cheese; chewing gum; noodle seasoning; sweeteners; confectionery products; fish; meat; food casings; fruits; vegetables; bacteria; cells; chromatin; glycogen; mucus; nuclei; microorganisms; nucleic acids; proteins; capsules; cough syrups; tablets; lips; lip gloss; lipstick; cheek color; nails; eyelashes; eyebrows; sunscreen; skin; hairs

Biological Applications: Drug delivery products; preventing coronary artery disease; cancer chemo-preventive activity; lipid metabolism; treating Alzheimer’s disease; soaps; whitening teeth; in food products; pharmaceuticals; cosmetics; medical devices

Industrial Applications: Adhesives; paints; inks; toners; coloring cigarette papers, textiles

Safety / Toxicity: Carcinogenicity; chronic toxicity; clastogenic effects; DNA repair; embryotoxicity; food allergy; hepatotoxicity; occupational asthma; reproductive toxicity; teratogenicity

Certification / Approval: Certified by Biological Stain Commission (BSC)

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