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199656

Sigma-Aldrich

Sudan II

Dye content 90 %

Sinonimo/i:

1-(2,4-Xylylazo)-2-naphthol, Solvent Orange 7

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About This Item

Formula empirica (notazione di Hill):
C18H16N2O
Numero CAS:
3118-97-6
Peso molecolare:
276.33
Colour Index:
12140
Numero CE:
221-490-4
Numero MDL:
MFCD00003896
Codice UNSPSC:
12171500
ID PubChem:
24851931
NACRES:
NA.47

Forma fisica

powder

Composizione

Dye content, 90%

Punto di fusione

156-158 °C (lit.)

Solubilità

chloroform: 10 mg/mL

λmax

493 nm
604 nm (2nd)

ε (coefficiente d’estinzione)

≥14000 at 491-497 nm in methanol at 0.005 g/L
≥9000 at 419-425 nm in methanol at 0.005 g/L

applicazioni

diagnostic assay manufacturing
hematology
histology

Temperatura di conservazione

room temp

Stringa SMILE

Cc1ccc(\N=N\c2c(O)ccc3ccccc23)c(C)c1

InChI

1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3/b20-19+
JBTHDAVBDKKSRW-FMQUCBEESA-N

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Categorie correlate

Applicazioni

Sudan II has been used to determine its presence in commercial spices such as hot chilli food samples (LC–ESI–MS/MS).

Azioni biochim/fisiol

Sudan II is a fat-soluble synthetic colorant and it belongs to the group of azo compounds. It is classified by the international agency for research on cancer (IARC) as category 3 carcinogens because it has an ability to cause certain forms of liver and bladder cancer in animals.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315,H317,H319

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

448.9 °F - closed cup

Punto d’infiammabilità (°C)

231.6 °C - closed cup

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Sudan IV

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S4136

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Para Red Dye content 95 %

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Para Red

Sudan Orange G Dye content 85 %

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199672

Sudan Orange G

Sudan Red 7B for microscopy (Bot., Hist.)

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46290

Sudan Red 7B

Sudan Black B certified by the Biological Stain Commission

Sigma-Aldrich

199664

Sudan Black B

Simultaneous determination of water-soluble and fat-soluble synthetic colorants in foodstuff by high-performance liquid chromatography-diode array detection-electrospray mass spectrometry.
Ma M
Journal of Chromatography A, 1103, 170-176 (2006)
Determining the adulteration of spices with Sudan I-II-II-IV dyes by UV-visible spectroscopy and multivariate classification techniques.
Di Anibal CV
Talanta, 79, 887-892 (2009)
Ting Xu et al.
Analytical biochemistry, 405(1), 41-49 (2010-06-05)
To obtain antibodies to develop an enzyme-linked immunosorbent assay (ELISA) for the analysis of Sudan red I, haptens were designed and synthesized via four different strategies: (i) attachment of a spacer at the para position of the benzene ring, (ii)
Shane T Finn et al.
Photochemistry and photobiology, 87(5), 1184-1188 (2011-06-15)
We describe a screening methodology that can be used to quickly determine the effectiveness of newly synthesized photocatalysts. We were particularly interested in measuring the destruction of organic molecules painted onto a photocatalytic surface by spraying, with destruction proceeding in
Shuo Sun et al.
Journal of separation science, 34(14), 1730-1737 (2011-06-10)
The liquid-liquid microextraction (LLME) was developed for extracting sudan dyes from red wine and fruit juice. Room temperature ionic liquid was used as the extraction solvent. The target analytes were determined by high-performance liquid chromatography. The extraction parameters were optimized.
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