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Merck
CN

199737

New Coccine

Dye content 75 %

Synonym(s):

Acid Red 18, Ponceau 4 R

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About This Item

Empirical Formula (Hill Notation):
C20H11N2Na3O10S3
CAS Number:
2611-82-7
Molecular Weight:
604.47
EC Number:
220-036-2
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24851935
MDL number:
MFCD00004084
Colour Index Number:
16255
Beilstein/REAXYS Number:
4122340

Key Documents

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Product Name

New Coccine, Dye content 75 %

InChI key

SWGJCIMEBVHMTA-ZRUFZDNISA-K

InChI

1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3/b22-21+;;;

SMILES string

[Na+].[Na+].[Na+].Oc1ccc2cc(cc(c2c1\N=N\c3ccc(c4ccccc34)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O

form

powder

composition

Dye content, 75%

solubility

water: 1 mg/mL, clear

λmax

350 nm (2nd)
506 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

200

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Application

New Coccine has been used to determine its decolorization by fungi Phanerochaete chrysosporium and Pleurotus sajorcaju.

Biochem/physiol Actions

New Coccine also referred to as ponceau 4 R, is a synthetic red tar dye. It belongs to the group of azo dyes. New Coccine is extensively used as a food colorant. When the intact dye reaches the intestine, it cause colon specific DNA damage in mice.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS7403
SHBR5038
SHBQ0924
SHBL8447
SHBL0647

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Differential colon DNA damage induced by azo food additives between rats and mice
Shimada C
The Journal of Toxicological Sciences, 35, 547-554 (2010)
DNA Damage Induced by Red Food Dyes Orally Administered to Pregnant and Male Mice
Tsuda S
Toxicological Sciences, 61, 92-99 (2001)
Saeed Shahrokhian et al.
Bioelectrochemistry (Amsterdam, Netherlands), 90, 36-43 (2012-11-28)
The electrooxidation of clozapine (CLZ) was studied on the surface of a glassy carbon electrode (GCE) modified with a thin film of multiwalled carbon nanotubes (MWCNTs)/new coccine (NC) doped polypyrrole (PPY) by using linear sweep voltammetry (LSV). The pH of
Yunfei Xie et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 96, 600-604 (2012-08-08)
Ponceau 4R is used as a coloring agent in many different products, such as food, drinks, medicines, cosmetics and tobacco. However, ponceau 4R also shows carcinogenic, teratogenic and mutagenic behavior in high doses. In this work, standard Raman, theoretical Raman
José A Fernández-López et al.
Plant foods for human nutrition (Dordrecht, Netherlands), 68(1), 11-17 (2013-02-05)
The color degradation of aqueous solutions of six natural red pigment extracts (elderberry, red cabbage, hibiscus, red beet, Opuntia fruits and red cochineal) used commercially as food colorants was investigated at temperatures between 50 and 90 °C. Color degradation was studied
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