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07937

Supelco

Sudan II

analytical standard

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Synonym(s):
1-(2,4-Xylylazo)-2-naphthol, Solvent Orange 7
Empirical Formula (Hill Notation):
C18H16N2O
CAS Number:
3118-97-6
Molecular Weight:
276.33
EC Number:
221-490-4
MDL number:
MFCD00003896
PubChem Substance ID:
329748528
NACRES:
NA.24

grade

analytical standard

Quality Level

100

Assay

≥96.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

156-158 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

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+

InChI key

JBTHDAVBDKKSRW-FMQUCBEESA-N

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H317 - H319

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

448.9 °F

Flash Point(C)

231.6 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Ali A Ensafi et al.
Talanta, 88, 244-251 (2012-01-24)
A simple and inexpensive methodology was used to develop a novel electrochemical sensor for the determination of Sudan II. The interaction of Sudan II with salmon sperm ds-DNA on the surface of salmon sperm ds-DNA-modified pencil graphite electrode (PGE) and
Peng Wang et al.
Se pu = Chinese journal of chromatography, 26(3), 353-357 (2008-08-30)
A new method was established for determining Sudan Red I - IV dyes in eggs using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The target analytes in eggs such as hen eggs, duck eggs and preserved eggs, were extracted by solid-phase dispersion
Yuzhen Wang et al.
Journal of the science of food and agriculture, 91(10), 1836-1842 (2011-03-30)
Sudan I, a synthetic azo dye, is considered to be a genotoxic carcinogen and is prohibited in foodstuffs for any purpose at any level worldwide. In this study, a sensitive and specific direct competitive enzyme-linked immunosorbent assay (dc-ELISA) for fast
Jing Xu et al.
The Analyst, 135(10), 2566-2572 (2010-08-07)
Sudan dyes are banned to be used in food additives because of the carcinogenicity of their metabolites. A rapid and sensitive indirect competitive enzyme-linked immunosorbent assay (ELISA) was developed to detect the residues of Sudan dyes. Novel immunogen and coating
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
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