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Merck

67195

Supelco

Pigment Red 53

analytical standard

Sinónimos:

5-Chloro-2-[(2-hydroxy-1-naphthalenyl)azo]-4-methylbenzenesulfonic acid monosodium salt, Lake Red C

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About This Item

Fórmula empírica (notación de Hill):
C17H12ClN2NaO4S
Número de CAS:
Peso molecular:
398.80
Colour Index Number:
15585
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

assay

≥98.0% (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

OC1=CC=C2C(C=CC=C2)=C1/N=N/C3=CC(C)=C(Cl)C=C3S(=O)([O-])=O.[Na+]

InChI

1S/C17H13ClN2O4S.Na/c1-10-8-14(16(9-13(10)18)25(22,23)24)19-20-17-12-5-3-2-4-11(12)6-7-15(17)21;/h2-9,21H,1H3,(H,22,23,24);/q;+1/p-1/b20-19+;

InChI key

LLELVHKMCSBMCX-RZLHGTIFSA-M

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Certificados de análisis (COA)

Lot/Batch Number

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Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.

Visite la Librería de documentos

D G Goodman et al.
Journal of the National Cancer Institute, 73(1), 265-273 (1984-07-01)
In six carcinogenicity bioassays, male and female F344 rats were fed diets containing aniline hydrochloride (CAS: 142-04-1; hydrochloride benzenamide), p-chloroaniline (CAS: 106-47-8), azobenzene (CAS: 103-33-3), o-toluidine hydrochloride (CAS: 636-21-5), dapsone (CAS: 80-08-0; 4,4'-sulfonyldianiline), or D & C red No. 9
A L Scher et al.
Journal - Association of Official Analytical Chemists, 71(5), 1007-1011 (1988-09-01)
A method is described for the determination of the intermediates in D&C Red No. 8 by reverse-phase liquid chromatography (LC). The pigment is dissolved in boiling 95% ethanol-water (1 + 1) and then precipitated. The filtrate is chromatographed by gradient
D&C Red No. 9 (CI Pigment Red 53:1).
IARC monographs on the evaluation of carcinogenic risks to humans, 57, 203-212 (1993-01-01)
M A Weinberger et al.
Journal of the National Cancer Institute, 75(4), 681-690 (1985-10-01)
A histopathologic review of F344 rat spleens from the National Toxicology Program-National Cancer Institute bioassays of barium salt of 5-chloro-2-(2-hydroxy-1-naphthalenyl)-azo-4-methylbenzenesulfonic acid [(D & C Red No. 9) CAS: 516-00-21] and aniline HCI (CAS: 142-04-1) was conducted to assess splenotoxic changes
C Westmoreland et al.
Mutation research, 281(3), 163-167 (1992-03-01)
The azo-compound, D and C Red No. 9 was assayed for genotoxicity in vivo using the rat micronucleus test and the rat ex vivo liver UDS assay. Uniformly negative results were obtained in both assays, even though large oral doses

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