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Sudan I

analytical standard

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Synonym(s):
1-Phenylazo-2-naphthol, Solvent Yellow 14
Linear Formula:
C6H5N=NC10H6OH
CAS Number:
842-07-9
Molecular Weight:
248.28
EC Number:
212-668-2
MDL number:
MFCD00003911
PubChem Substance ID:
329757686
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

131-133 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

Oc1ccc2ccccc2c1N=Nc3ccccc3

InChI

1S/C16H12N2O/c19-15-11-10-12-6-4-5-9-14(12)16(15)18-17-13-7-2-1-3-8-13/h1-11,19H

InChI key

MRQIXHXHHPWVIL-UHFFFAOYSA-N

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Application

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Pictograms

Exclamation markHealth hazard
GHS07,GHS08

Signal Word

Warning

Hazard Statements

H317 - H341 - H351 - H413

Hazard Classifications

Aquatic Chronic 4 - Carc. 2 - Muta. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

554.0 °F - Pensky-Martens closed cup

Flash Point(C)

> 290 °C - Pensky-Martens closed cup

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Michalina Oplatowska et al.
Analytical and bioanalytical chemistry, 401(4), 1411-1422 (2011-07-07)
Sudan dyes have been found to be added to chilli and chilli products for illegal colour enhancement purposes. Due to the possible carcinogenic effect, they are not authorized to be used in food in the European Union or the USA.
Marie Stiborová et al.
Chemical research in toxicology, 26(2), 290-299 (2013-01-08)
Sudan I (1-phenylazo-2-hydroxynaphthol) is a suspected human carcinogen causing tumors in the livers and urinary bladders of rats, mice, and rabbits. Here, we investigated for the first time the influence of Sudan I exposure on the expression of several biotransformation
Fengxia Qiao et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 879(27), 2891-2896 (2011-09-09)
A highly selective molecularly imprinted solid-phase extraction (MISPE) coupled with high performance liquid chromatography (HPLC) ultraviolet-visible detection was developed for the simultaneous isolation and determination of four Sudan dyes (I, II, III and IV) in catsup products. The novel molecularly
Xiaofeng Yang et al.
Journal of AOAC International, 93(5), 1537-1541 (2010-12-15)
Rapid determination of Sudan I in foodstuffs is very important because it was found to be a carcinogen and its use in the food industry was banned. A rapid, sensitive, and convenient electrochemical method was developed for the determination of
Carolina V Di Anibal et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 87, 135-141 (2011-12-14)
Raman spectroscopy combined with multivariate analysis was evaluated as a tool for detecting Sudan I dye in culinary spices. Three Raman modalities were studied: normal Raman, FT-Raman and SERS. The results show that SERS is the most appropriate modality capable
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