胭脂红酸

Description

Carminic acid · CAS 1260-17-9 · C22H20O13. Color Additive Status: 73.100; Color Additive Status: 73.1100; Color Additive Status: 73.2087.

Identification

CAS Registry Number	1260-17-9
PubChem CID	14749
Molecular formula	C22H20O13
IUPAC name	3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2R,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid
FEMA number	2242

Computed Descriptors

Molecular Weight	492.4
XLogP3	0.5
Hydrogen Bond Donor Count	9
Hydrogen Bond Acceptor Count	13
Rotatable Bond Count	3
Exact Mass	492.09039069
Monoisotopic Mass	492.09039069
Topological Polar Surface Area	243
Heavy Atom Count	35
Formal Charge	0

Physical & Chemical Properties

Color Additive Status	73.100
Color Additive Status	73.1100
Color Additive Status	73.2087

Physical description & handling notes

• Red crystals in methanol; bright red powder; deep red color in water; [HSDB]
• Carmine
• Foods, Drugs, Cosmetics
• Foods generally. Ingested and externally applied drugs. Cosmetics generally including eye area use. Food and cosmetic labels must use common or usual name "carmine".
• Cochineal Extract (Carminic Acid)
• Foods, Drugs

Regulatory Status

Regulatory & Food Contact	FDA Regulatory Status of Color Additives: Foods, Drugs, Cosmetics FDA Substance added to food: COLOR OR COLORING ADJUNCT, FLAVORING AGENT OR ADJUVANT CIR / INCI: Cosmetic colorant
GHS notification summary	100% (298 / 298)

GHS Hazard Classification

GHS notification summary	100% (298 / 298)

Documented Uses

• Used in inks, dyes, food coloring, photography, paints, microbiological stains, and chemical reagents; [HSDB] Carmine is used as a microscopic stain of chromatin. [Ullmann]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Photographic Processing [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Information on 77 consumer products that contain Carmine in the following categories is provided:
• Information on 2 consumer products that contain C.I. 75470 in the following categories is provided:

Synonyms

Carmine; 1390-65-4; B Rose liquid; Carmine (Coccus cacti L.); Cochineal (Coccus cacti L.); Cochineal Dye; Dye, Cochineal; RefChem:574680; DTXSID2044216; 7-glucopyranosyl-3,5,6,8-tetrahydroxyl-1-methyl-9,10-dioxoanthracene-2-carboxylic acid; 215-724-4; Carmine Red; ST069339; NSC326224; NCGC00091708-04; SCHEMBL34094

Frequently Asked Questions

What are the CAS number and molecular formula of Carminic acid?

CAS 1260-17-9; molecular formula C22H20O13; molecular weight — g/mol.

What other names is Carminic acid known by?

Carmine, 1390-65-4, B Rose liquid, Carmine (Coccus cacti L.), Cochineal (Coccus cacti L.), Cochineal Dye.

What is the regulatory status of Carminic acid?

Documented regulatory listings: FDA Regulatory Status of Color Additives: Foods, Drugs, Cosmetics; FDA Substance added to food: COLOR OR COLORING ADJUNCT, FLAVORING AGENT OR ADJUVANT; CIR / INCI: Cosmetic colorant.

Is Carminic acid classified as hazardous?

100% of GHS notifications report no hazard classification (298 of 298).

What are the key physical properties of Carminic acid?

Color Additive Status: 73.100; Color Additive Status: 73.1100; Color Additive Status: 73.2087.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.