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Merck

11298

Supelco

Carminic acid

analytical standard

Sinónimos:

Natural Red 4

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About This Item

Fórmula empírica (notación de Hill):
C22H20O13
Número de CAS:
Peso molecular:
492.39
Colour Index Number:
75470
Beilstein/REAXYS Number:
71651
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
E Number:
E120
NACRES:
NA.24

grade

analytical standard

Quality Level

assay

≥90% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

Cc1c(C(O)=O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12

InChI

1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1

InChI key

DGQLVPJVXFOQEV-JNVSTXMASA-N

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General description

Carminic acid is an anthraquinone red dye. It is majorly used in textile industry as pigmenting agent.

Application

Carminic acid was used to compare and identify the Leucopis sp. using analytical methods like TLC and HPLC.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

ppe

Eyeshields, Gloves, type N95 (US)


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Certificados de análisis (COA)

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Los clientes también vieron

T Eisner et al.
Experientia, 50(6), 610-615 (1994-06-15)
Larvae of two insects, a coccinellid beetle (Hyperaspis trifurcata) and a chamaemyiid fly (Leucopis sp.), feed on cochineal insects and appropriate their prey's defensive chemical, carminic acid, for protective purposes of their own. H. trifurcata discharges the chemical with droplets
Ana Serrano et al.
Analytical and bioanalytical chemistry, 401(2), 735-743 (2011-06-01)
A new analytical approach based on high-performance liquid chromatography with diode array detector (HPLC-DAD) and multivariate data analysis was applied and assessed for analyzing the red dye extracted from cochineal insects, used in precious historical textiles. The most widely used
Naoki Sugimoto et al.
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan, 51(1), 19-27 (2010-03-09)
A quantitative NMR (qNMR) method was applied for the determination of carminic acid. Carminic acid is the main component in cochineal dye that is widely used as a natural food colorant. Since several manufacturers only provide reagent-grade carminic acid, there
Samanan Poowakanjana et al.
Journal of food science, 74(9), C707-C712 (2010-05-25)
Carmine used to color surimi seafood often seeps or bleeds from red-colored meat to white meat when vacuum-packed products go through high-temperature long-time pasteurization. Various physical and chemical treatments were examined to investigate means to inhibit or minimize carmine bleeding
Feng Wang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 79(5), 1946-1951 (2011-06-28)
A fluorescent enhancement system carminic acid (CA)-La3+-CTAB is found and based on this finding a new fluorimetric method for the determination of CA is developed. Under optimized conditions, the enhanced intensities of fluorescence are quantitatively in proportion to the concentrations

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