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Merck
CN

68562

Sudan III

analytical standard

Synonym(s):

1-[4-(Phenylazo)phenylazo]-2-naphthol, Cerasin Red, Fat Ponceau G, Fat Soluble Sudan, Scarlet B, Solvent Red 23, Sudan G, Sudan Red BK, Tony Red

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About This Item

Empirical Formula (Hill Notation):
C22H16N4O
CAS Number:
85-86-9
Molecular Weight:
352.39
EC Number:
201-638-4
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329760986
MDL number:
MFCD00003905
Colour Index Number:
26100
Beilstein/REAXYS Number:
931185

Key Documents

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Product Name

Sudan III, analytical standard

InChI key

FHNINJWBTRXEBC-QSZPNPOGSA-N

InChI

1S/C22H16N4O/c27-21-15-10-16-6-4-5-9-20(16)22(21)26-25-19-13-11-18(12-14-19)24-23-17-7-2-1-3-8-17/h1-15,27H/b24-23+,26-25+

SMILES string

Oc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4

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

199 °C (dec.) (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

Quality Level

100

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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.
Sudan III may be used as an analytical reference standard for the quantification of the analyte in food products using different chromatography techniques.

General description

Sudan III is a synthetic industrial azo-dye belonging to the group of sudan dyes, commonly used in plastics, oils, polishes and waxes.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL8577
BCCG3001
BCBZ3079

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Sampson Saj Andoh et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 37(7), 1049-1060 (2020-02-23)
Due to the proven carcinogenicity of Sudan III and IV dyes, they are considered global public health issues. They are banned in all forms as food colourants. We propose the monitoring of simple and easy-to-measure optical properties of palm oils
Development and in-house validation of a liquid chromatography?electrospray?tandem mass spectrometry method for the simultaneous determination of Sudan I, Sudan II, Sudan III and Sudan IV in hot chilli products
Calbiani.F, et al.
Journal of Chromatography A, 1042(1-2), 123-130 (2004)
Analysis of sudan I, sudan II, sudan III, and sudan IV in food by HPLC with electrochemical detection: Comparison of glassy carbon electrode with carbon nanotube-ionic liquid gel modified electrode.
Chailapakul O
Food Chemistry, 109(4), 876-882 (2008)
Desiree Van Haute et al.
International journal of pharmaceutics, 569, 118603-118603 (2019-08-12)
Conventional quantitation of drug content in the liposome formulation involves the breakdown of bulk liposomes, which ignores details on the distribution of the active pharmaceutical ingredient (API) and excipients in liposomes of different sizes. The objective of this study is
Orathai Pornsunthorntawee et al.
Journal of bioscience and bioengineering, 112(1), 102-106 (2011-04-15)
The effect of cholesterol on the vesicle formation of a rhamnolipid biosurfactant extracted from the liquid culture of Pseudomonas aeruginosa SP4 was investigated. The rhamnolipid vesicles were prepared in a phosphate-buffer saline (PBS) solution (pH 7.4) at a biosurfactant concentration
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