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Carmine

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Carmine is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

Carmine (Wikipedia)
This article is about the pigment. For other uses, see Carmine (color) and Carmine (disambiguation).

Carmine (/ˈkɑːrmən, ˈkɑːrmaɪn/) – also called cochineal (when it is extracted from the cochineal insect), cochineal extract, crimson lake, or carmine lake – is a pigment of a bright-red color obtained from the aluminium complex derived from carminic acid. Specific code names for the pigment include natural red 4, C.I. 75470, or E120. Carmine is also a general term for a particularly deep-red color.

Carmine
Names
Systematic IUPAC name
aluminum;calcium;1-methyl-3,5,6,8-tetraoxido-9,10-dioxo-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylate
Other names
  • carmine red
  • cochineal
  • crimson lake
  • carmine lake
Identifiers
ChemSpider
ECHA InfoCard 100.014.295 Edit this at Wikidata
E number E120 (colours)
Properties
C44H43AlCa2O30
Molar mass 1158.936 g·mol−1
Melting point 298–300 °C (568–572 °F; 571–573 K)
insoluble < pH 11
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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