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Merck
CN

11298

胭脂红酸

analytical standard

别名:

天然红4

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关于此项目

经验公式(希尔记法):
C22H20O13
化学文摘社编号:
分子量:
492.39
UNSPSC Code:
85151701
NACRES:
NA.24
E Number:
E120
PubChem Substance ID:
EC Number:
215-023-3
MDL number:
Colour Index Number:
75470
Beilstein/REAXYS Number:
71651
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产品名称

胭脂红酸, analytical standard

InChI key

DGQLVPJVXFOQEV-JNVSTXMASA-N

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

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

grade

analytical standard

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

Quality Level

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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.

General description

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

存储类别

11 - Combustible Solids

wgk

WGK 2

ppe

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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
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
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
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

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