Skip to Content
Merck
CN

51383

Sudan I

analytical standard

Synonym(s):

1-Phenylazo-2-naphthol, Solvent Yellow 14

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Linear Formula:
C6H5N=NC10H6OH
CAS Number:
842-07-9
Molecular Weight:
248.28
NACRES:
NA.24
PubChem Substance ID:
329757686
UNSPSC Code:
85151701
EC Number:
212-668-2
MDL number:
MFCD00003911

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Sudan I, analytical standard

Quality Level

100

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

SMILES string

Oc1ccc2ccccc2c1N=Nc3ccccc3

grade

analytical standard

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

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

Other Notes

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.

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Hazard Classifications

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

Storage Class

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCM9883
BCCK0369
BCCD0739

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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
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
Chuande Zhao et al.
Journal of chromatography. A, 1217(45), 6995-7002 (2010-10-01)
A novel molecularly imprinted polymer was synthesized with attapulgite employed as matrix, which is simple and time-saving. In this method, sudan I was chosen as template molecule, 2-vinylpyridine as functional monomer and ethylene glycol dimethacrylate as cross-linking agent, respectively. The
Xinying Ma et al.
Food chemistry, 138(2-3), 739-744 (2013-02-16)
This paper describes a novel electrochemical method for the determination of Sudan I in food samples based on the electrochemical catalytic activity of graphene modified glassy carbon electrode (GMGCE) and the enhancement effect of an anionic surfactant: sodium dodecyl sulphonate
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service